90979506234 has 64 divisors (see below), whose sum is σ = 203656663680. Its totient is φ = 30105250560.

The previous prime is 90979506151. The next prime is 90979506239. The reversal of 90979506234 is 43260597909.

90979506234 is a `hidden beast` number, since 9 + 0 + 9 + 7 + 9 + 5 + 0 + 623 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (90979506239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4513362 + ... + 4533474.

It is an arithmetic number, because the mean of its divisors is an integer number (3182135370).

Almost surely, 2^90979506234 is an apocalyptic number.

90979506234 is an abundant number, since it is smaller than the sum of its proper divisors (112677157446).

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

90979506234 is a wasteful number, since it uses less digits than its factorization.

90979506234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20732 (or 20726 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 90979506234 in words is "ninety billion, nine hundred seventy-nine million, five hundred six thousand, two hundred thirty-four".