91327256 has 8 divisors (see below), whose sum is σ = 171238620. Its totient is φ = 45663624.

The previous prime is 91327253. The next prime is 91327279. The reversal of 91327256 is 65272319.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91327253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707946 + ... + 5707961.

Almost surely, 2^91327256 is an apocalyptic number.

It is an amenable number.

91327256 is a deficient number, since it is larger than the sum of its proper divisors (79911364).

91327256 is a wasteful number, since it uses less digits than its factorization.

91327256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11415913 (or 11415909 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 91327256 is about 9556.5294955857. The cubic root of 91327256 is about 450.3326856716.

The spelling of 91327256 in words is "ninety-one million, three hundred twenty-seven thousand, two hundred fifty-six".