90712930208 has 24 divisors (see below), whose sum is σ = 178598085120. Its totient is φ = 45354686400.

The previous prime is 90712930157. The next prime is 90712930211. The reversal of 90712930208 is 80203921709.

It is a happy number.

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, 1232033 + ... + 1303583.

It is an arithmetic number, because the mean of its divisors is an integer number (7441586880).

Almost surely, 2^90712930208 is an apocalyptic number.

It is an amenable number.

90712930208 is a deficient number, since it is larger than the sum of its proper divisors (87885154912).

90712930208 is a wasteful number, since it uses less digits than its factorization.

90712930208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111180 (or 111172 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 90712930208 in words is "ninety billion, seven hundred twelve million, nine hundred thirty thousand, two hundred eight".