90749911628 has 12 divisors (see below), whose sum is σ = 159635208600. Its totient is φ = 45139852032.

The previous prime is 90749911597. The next prime is 90749911633. The reversal of 90749911628 is 82611994709.

It is a super-3 number, since 3×90749911628³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 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, 58775078 + ... + 58776621.

It is an arithmetic number, because the mean of its divisors is an integer number (13302934050).

Almost surely, 2^90749911628 is an apocalyptic number.

It is an amenable number.

90749911628 is a deficient number, since it is larger than the sum of its proper divisors (68885296972).

90749911628 is a wasteful number, since it uses less digits than its factorization.

90749911628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117551896 (or 117551894 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 90749911628 in words is "ninety billion, seven hundred forty-nine million, nine hundred eleven thousand, six hundred twenty-eight".