91079152 has 20 divisors (see below), whose sum is σ = 176630560. Its totient is φ = 45497088.

The previous prime is 91079143. The next prime is 91079159. The reversal of 91079152 is 25197019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91079159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21913 + ... + 25735.

It is an arithmetic number, because the mean of its divisors is an integer number (8831528).

Almost surely, 2^91079152 is an apocalyptic number.

It is an amenable number.

91079152 is a deficient number, since it is larger than the sum of its proper divisors (85551408).

91079152 is a wasteful number, since it uses less digits than its factorization.

91079152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320 (or 5314 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 91079152 is about 9543.5398044960. The cubic root of 91079152 is about 449.9245173805.

The spelling of 91079152 in words is "ninety-one million, seventy-nine thousand, one hundred fifty-two".