89749677832 has 16 divisors (see below), whose sum is σ = 168354845100. Its totient is φ = 44855052480.

The previous prime is 89749677827. The next prime is 89749677841. The reversal of 89749677832 is 23877694798.

It can be written as a sum of positive squares in 2 ways, for example, as 58319352036 + 31430325796 = 241494^2 + 177286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454019 + ... + 2490322.

Almost surely, 2^89749677832 is an apocalyptic number.

It is an amenable number.

89749677832 is a deficient number, since it is larger than the sum of its proper divisors (78605167268).

89749677832 is a wasteful number, since it uses less digits than its factorization.

89749677832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946616 (or 4946612 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 70.

The spelling of 89749677832 in words is "eighty-nine billion, seven hundred forty-nine million, six hundred seventy-seven thousand, eight hundred thirty-two".