91427364696 has 32 divisors (see below), whose sum is σ = 228575831040. Its totient is φ = 30474799008.

The previous prime is 91427364689. The next prime is 91427364727. The reversal of 91427364696 is 69646372419.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364245 + ... + 1429691.

It is an arithmetic number, because the mean of its divisors is an integer number (7142994720).

Almost surely, 2^91427364696 is an apocalyptic number.

It is an amenable number.

91427364696 is an abundant number, since it is smaller than the sum of its proper divisors (137148466344).

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

91427364696 is a wasteful number, since it uses less digits than its factorization.

91427364696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123663 (or 123659 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 57.

The spelling of 91427364696 in words is "ninety-one billion, four hundred twenty-seven million, three hundred sixty-four thousand, six hundred ninety-six".