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88967066989 = 355924997771
BaseRepresentation
bin101001011011011011…
…0011011010101101101
322111122021020021102011
41102312312123111231
52424201032120424
6104512041001221
76266454410023
oct1226666332555
9274567207364
1088967066989
1134804654249
12152aaa83211
13850ab24108
14443da5a713
1524aa842694
hex14b6d9b56d

88967066989 has 4 divisors (see below), whose sum is σ = 88992068320. Its totient is φ = 88942065660.

The previous prime is 88967066963. The next prime is 88967067061. The reversal of 88967066989 is 98966076988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88967066989 - 221 = 88964969837 is a prime.

It is a super-2 number, since 2×889670669892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88967066189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12495327 + ... + 12502444.

It is an arithmetic number, because the mean of its divisors is an integer number (22248017080).

Almost surely, 288967066989 is an apocalyptic number.

It is an amenable number.

88967066989 is a deficient number, since it is larger than the sum of its proper divisors (25001331).

88967066989 is a wasteful number, since it uses less digits than its factorization.

88967066989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001330.

The product of its (nonzero) digits is 564350976, while the sum is 76.

Subtracting 88967066989 from its reverse (98966076988), we obtain a palindrome (9999009999).

It can be divided in two parts, 889670 and 66989, that added together give a palindrome (956659).

The spelling of 88967066989 in words is "eighty-eight billion, nine hundred sixty-seven million, sixty-six thousand, nine hundred eighty-nine".

Divisors: 1 3559 24997771 88967066989