90712926522 has 12 divisors (see below), whose sum is σ = 196544674170. Its totient is φ = 30237642168.

The previous prime is 90712926467. The next prime is 90712926527. The reversal of 90712926522 is 22562921709.

90712926522 is a `hidden beast` number, since 90 + 7 + 12 + 9 + 26 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55945967841 + 34766958681 = 236529^2 + 186459^2 .

It is not an unprimeable number, because it can be changed into a prime (90712926527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2519803497 + ... + 2519803532.

Almost surely, 2^90712926522 is an apocalyptic number.

90712926522 is an abundant number, since it is smaller than the sum of its proper divisors (105831747648).

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

90712926522 is a wasteful number, since it uses less digits than its factorization.

90712926522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039607037 (or 5039607034 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 90712926522 in words is "ninety billion, seven hundred twelve million, nine hundred twenty-six thousand, five hundred twenty-two".