91956799 has 8 divisors (see below), whose sum is σ = 100386000. Its totient is φ = 83539200.

The previous prime is 91956797. The next prime is 91956811. The reversal of 91956799 is 99765919.

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

It is a cyclic number.

It is not a de Polignac number, because 91956799 - 2¹ = 91956797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91956793) by changing a digit.

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, 28719 + ... + 31759.

It is an arithmetic number, because the mean of its divisors is an integer number (12548250).

Almost surely, 2^91956799 is an apocalyptic number.

91956799 is a deficient number, since it is larger than the sum of its proper divisors (8429201).

91956799 is a wasteful number, since it uses less digits than its factorization.

91956799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801.

The product of its digits is 1377810, while the sum is 55.

The square root of 91956799 is about 9589.4107743907. The cubic root of 91956799 is about 451.3650713409.

The spelling of 91956799 in words is "ninety-one million, nine hundred fifty-six thousand, seven hundred ninety-nine".