90030774984 has 64 divisors (see below), whose sum is σ = 230905131840. Its totient is φ = 29242364160.

The previous prime is 90030774971. The next prime is 90030775027. The reversal of 90030774984 is 48947703009.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130719 + ... + 444014.

It is an arithmetic number, because the mean of its divisors is an integer number (3607892685).

Almost surely, 2^90030774984 is an apocalyptic number.

It is an amenable number.

90030774984 is an abundant number, since it is smaller than the sum of its proper divisors (140874356856).

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

90030774984 is a wasteful number, since it uses less digits than its factorization.

90030774984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574910 (or 574906 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 90030774984 in words is "ninety billion, thirty million, seven hundred seventy-four thousand, nine hundred eighty-four".