91679056 has 40 divisors (see below), whose sum is σ = 203699264. Its totient is φ = 39156480.

The previous prime is 91679039. The next prime is 91679057. The reversal of 91679056 is 65097619.

It is a super-2 number, since 2×91679056² = 16810098618102272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91679057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35836 + ... + 38308.

Almost surely, 2^91679056 is an apocalyptic number.

It is an amenable number.

91679056 is an abundant number, since it is smaller than the sum of its proper divisors (112020208).

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

91679056 is a wasteful number, since it uses less digits than its factorization.

91679056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 91679056 is about 9574.9180675346. The cubic root of 91679056 is about 450.9101841293.

The spelling of 91679056 in words is "ninety-one million, six hundred seventy-nine thousand, fifty-six".