89636864934 has 16 divisors (see below), whose sum is σ = 179279076672. Its totient is φ = 29878063848.

The previous prime is 89636864921. The next prime is 89636864957. The reversal of 89636864934 is 43946863698.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14617 + ... + 423659.

It is an arithmetic number, because the mean of its divisors is an integer number (11204942292).

Almost surely, 2^89636864934 is an apocalyptic number.

89636864934 is an abundant number, since it is smaller than the sum of its proper divisors (89642211738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89636864934 is a wasteful number, since it uses less digits than its factorization.

89636864934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445571.

The product of its digits is 161243136, while the sum is 66.

The spelling of 89636864934 in words is "eighty-nine billion, six hundred thirty-six million, eight hundred sixty-four thousand, nine hundred thirty-four".