91115364 has 24 divisors (see below), whose sum is σ = 213242848. Its totient is φ = 30280320.

The previous prime is 91115341. The next prime is 91115369. The reversal of 91115364 is 46351119.

It is not an unprimeable number, because it can be changed into a prime (91115369) 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, 7222 + ... + 15309.

Almost surely, 2^91115364 is an apocalyptic number.

It is an amenable number.

91115364 is an abundant number, since it is smaller than the sum of its proper divisors (122127484).

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

91115364 is a wasteful number, since it uses less digits than its factorization.

91115364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22875 (or 22873 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 91115364 is about 9545.4368155679. The cubic root of 91115364 is about 449.9841377125.

The spelling of 91115364 in words is "ninety-one million, one hundred fifteen thousand, three hundred sixty-four".