89505253667 has 4 divisors (see below), whose sum is σ = 89552940816. Its totient is φ = 89457566520.

The previous prime is 89505253639. The next prime is 89505253699. The reversal of 89505253667 is 76635250598.

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

It is a cyclic number.

It is not a de Polignac number, because 89505253667 - 2¹⁶ = 89505188131 is a prime.

It is a super-2 number, since 2×89505253667² (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 (89505253867) 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, 23840759 + ... + 23844512.

It is an arithmetic number, because the mean of its divisors is an integer number (22388235204).

Almost surely, 2^89505253667 is an apocalyptic number.

89505253667 is a deficient number, since it is larger than the sum of its proper divisors (47687149).

89505253667 is a wasteful number, since it uses less digits than its factorization.

89505253667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47687148.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 89505253667 in words is "eighty-nine billion, five hundred five million, two hundred fifty-three thousand, six hundred sixty-seven".