91725020600 has 48 divisors (see below), whose sum is σ = 214619094600. Its totient is φ = 36456301440.

The previous prime is 91725020573. The next prime is 91725020617. The reversal of 91725020600 is 602052719.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429190 + ... + 1491989.

Almost surely, 2^91725020600 is an apocalyptic number.

It is an amenable number.

91725020600 is an abundant number, since it is smaller than the sum of its proper divisors (122894074000).

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

91725020600 is a wasteful number, since it uses less digits than its factorization.

91725020600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921352 (or 2921343 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 91725020600 in words is "ninety-one billion, seven hundred twenty-five million, twenty thousand, six hundred".