91676864 has 14 divisors (see below), whose sum is σ = 181921404. Its totient is φ = 45838400.

The previous prime is 91676863. The next prime is 91676867. The reversal of 91676864 is 46867619.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (91676863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716162 + ... + 716289.

It is an arithmetic number, because the mean of its divisors is an integer number (12994386).

Almost surely, 2^91676864 is an apocalyptic number.

It is an amenable number.

91676864 is a deficient number, since it is larger than the sum of its proper divisors (90244540).

91676864 is a wasteful number, since it uses less digits than its factorization.

91676864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432463 (or 1432453 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 91676864 is about 9574.8036011189. The cubic root of 91676864 is about 450.9065904222.

The spelling of 91676864 in words is "ninety-one million, six hundred seventy-six thousand, eight hundred sixty-four".