88884487457 has 4 divisors (see below), whose sum is σ = 89040699780. Its totient is φ = 88728275136.

The previous prime is 88884487411. The next prime is 88884487469. The reversal of 88884487457 is 75478448888.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57059354641 + 31825132816 = 238871^2 + 178396^2 .

It is a cyclic number.

It is not a de Polignac number, because 88884487457 - 2¹² = 88884483361 is a prime.

It is a super-2 number, since 2×88884487457² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88884487477) 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, 78105308 + ... + 78106445.

It is an arithmetic number, because the mean of its divisors is an integer number (22260174945).

Almost surely, 2^88884487457 is an apocalyptic number.

It is an amenable number.

88884487457 is a deficient number, since it is larger than the sum of its proper divisors (156212323).

88884487457 is a wasteful number, since it uses less digits than its factorization.

88884487457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156212322.

The product of its digits is 513802240, while the sum is 71.

The spelling of 88884487457 in words is "eighty-eight billion, eight hundred eighty-four million, four hundred eighty-seven thousand, four hundred fifty-seven".