91375896 has 64 divisors (see below), whose sum is σ = 237427200. Its totient is φ = 29283968.

The previous prime is 91375877. The next prime is 91375909. The reversal of 91375896 is 69857319.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65866 + ... + 67238.

It is an arithmetic number, because the mean of its divisors is an integer number (3709800).

Almost surely, 2^91375896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91375896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118713600).

91375896 is an abundant number, since it is smaller than the sum of its proper divisors (146051304).

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

91375896 is a wasteful number, since it uses less digits than its factorization.

91375896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1484 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 91375896 is about 9559.0740137317. The cubic root of 91375896 is about 450.4126190719.

The spelling of 91375896 in words is "ninety-one million, three hundred seventy-five thousand, eight hundred ninety-six".