91299882 has 8 divisors (see below), whose sum is σ = 182599776. Its totient is φ = 30433292.

The previous prime is 91299863. The next prime is 91299889. The reversal of 91299882 is 28899219.

It is a sphenic number, since it is the product of 3 distinct primes.

91299882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (91299889) 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, 7608318 + ... + 7608329.

It is an arithmetic number, because the mean of its divisors is an integer number (22824972).

Almost surely, 2^91299882 is an apocalyptic number.

91299882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91299882 is a wasteful number, since it uses less digits than its factorization.

91299882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15216652.

The product of its digits is 186624, while the sum is 48.

The square root of 91299882 is about 9555.0971737602. The cubic root of 91299882 is about 450.2876876453.

The spelling of 91299882 in words is "ninety-one million, two hundred ninety-nine thousand, eight hundred eighty-two".