91795737960 has 48 divisors (see below), whose sum is σ = 298336149540. Its totient is φ = 24478863360.

The previous prime is 91795737881. The next prime is 91795737977. The reversal of 91795737960 is 6973759719.

91795737960 is a `hidden beast` number, since 91 + 79 + 57 + 379 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77683723524 + 14112014436 = 278718^2 + 118794^2 .

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, 127493721 + ... + 127494440.

Almost surely, 2^91795737960 is an apocalyptic number.

91795737960 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91795737960 is an abundant number, since it is smaller than the sum of its proper divisors (206540411580).

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

91795737960 is a wasteful number, since it uses less digits than its factorization.

91795737960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254988178 (or 254988171 counting only the distinct ones).

The product of its (nonzero) digits is 22504230, while the sum is 63.

The spelling of 91795737960 in words is "ninety-one billion, seven hundred ninety-five million, seven hundred thirty-seven thousand, nine hundred sixty".