91748856 has 16 divisors (see below), whose sum is σ = 229372200. Its totient is φ = 30582944.

The previous prime is 91748843. The next prime is 91748869. The reversal of 91748856 is 65884719.

It is an interprime number because it is at equal distance from previous prime (91748843) and next prime (91748869).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911411 + ... + 1911458.

Almost surely, 2^91748856 is an apocalyptic number.

It is an amenable number.

91748856 is an abundant number, since it is smaller than the sum of its proper divisors (137623344).

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

91748856 is a wasteful number, since it uses less digits than its factorization.

91748856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822878 (or 3822874 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 91748856 is about 9578.5623138340. The cubic root of 91748856 is about 451.0245888367.

The spelling of 91748856 in words is "ninety-one million, seven hundred forty-eight thousand, eight hundred fifty-six".