89502885729 has 12 divisors (see below), whose sum is σ = 131721228756. Its totient is φ = 58542767712.

The previous prime is 89502885701. The next prime is 89502885739. The reversal of 89502885729 is 92758820598.

89502885729 is a `hidden beast` number, since 8 + 9 + 50 + 2 + 8 + 8 + 572 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60787888704 + 28714997025 = 246552^2 + 169455^2 .

It is not a de Polignac number, because 89502885729 - 2¹¹ = 89502883681 is a prime.

It is a super-2 number, since 2×89502885729² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89502885739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93818062 + ... + 93819015.

It is an arithmetic number, because the mean of its divisors is an integer number (10976769063).

Almost surely, 2^89502885729 is an apocalyptic number.

It is an amenable number.

89502885729 is a deficient number, since it is larger than the sum of its proper divisors (42218343027).

89502885729 is a wasteful number, since it uses less digits than its factorization.

89502885729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187637136 (or 187637133 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 89502885729 in words is "eighty-nine billion, five hundred two million, eight hundred eighty-five thousand, seven hundred twenty-nine".