91504674504 has 96 divisors (see below), whose sum is σ = 263160537120. Its totient is φ = 28624485888.

The previous prime is 91504674427. The next prime is 91504674523. The reversal of 91504674504 is 40547640519.

91504674504 is a `hidden beast` number, since 9 + 150 + 46 + 7 + 450 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 91504674504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317007 + ... + 532449.

It is an arithmetic number, because the mean of its divisors is an integer number (2741255595).

Almost surely, 2^91504674504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91504674504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131580268560).

91504674504 is an abundant number, since it is smaller than the sum of its proper divisors (171655862616).

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

91504674504 is a wasteful number, since it uses less digits than its factorization.

91504674504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215819 (or 215812 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 91504674504 in words is "ninety-one billion, five hundred four million, six hundred seventy-four thousand, five hundred four".