91877068 has 24 divisors (see below), whose sum is σ = 168982352. Its totient is φ = 43654464.

The previous prime is 91877059. The next prime is 91877077. The reversal of 91877068 is 86077819.

It is an interprime number because it is at equal distance from previous prime (91877059) and next prime (91877077).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 13582.

Almost surely, 2^91877068 is an apocalyptic number.

It is an amenable number.

91877068 is a deficient number, since it is larger than the sum of its proper divisors (77105284).

91877068 is a wasteful number, since it uses less digits than its factorization.

91877068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14521 (or 14519 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 91877068 is about 9585.2526309952. The cubic root of 91877068 is about 451.2345818250.

The spelling of 91877068 in words is "ninety-one million, eight hundred seventy-seven thousand, sixty-eight".