91314868 has 12 divisors (see below), whose sum is σ = 160277572. Its totient is φ = 45521280.

The previous prime is 91314829. The next prime is 91314869. The reversal of 91314868 is 86841319.

It can be written as a sum of positive squares in 2 ways, for example, as 40220964 + 51093904 = 6342^2 + 7148^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91314868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91314869) 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, 32523 + ... + 35218.

Almost surely, 2^91314868 is an apocalyptic number.

It is an amenable number.

91314868 is a deficient number, since it is larger than the sum of its proper divisors (68962704).

91314868 is a wasteful number, since it uses less digits than its factorization.

91314868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68082 (or 68080 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 91314868 is about 9555.8813303640. The cubic root of 91314868 is about 450.3123230993.

The spelling of 91314868 in words is "ninety-one million, three hundred fourteen thousand, eight hundred sixty-eight".