91868696 has 8 divisors (see below), whose sum is σ = 172253820. Its totient is φ = 45934344.

The previous prime is 91868653. The next prime is 91868713. The reversal of 91868696 is 69686819.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5741786 + ... + 5741801.

Almost surely, 2^91868696 is an apocalyptic number.

It is an amenable number.

91868696 is a deficient number, since it is larger than the sum of its proper divisors (80385124).

91868696 is a wasteful number, since it uses less digits than its factorization.

91868696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483593 (or 11483589 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 91868696 is about 9584.8159085086. The cubic root of 91868696 is about 451.2208756458.

The spelling of 91868696 in words is "ninety-one million, eight hundred sixty-eight thousand, six hundred ninety-six".