99791937 has 12 divisors (see below), whose sum is σ = 164736000. Its totient is φ = 57023928.

The previous prime is 99791911. The next prime is 99791947. The reversal of 99791937 is 73919799.

It is not a de Polignac number, because 99791937 - 2¹⁰ = 99790913 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (99791947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 791937 + ... + 792062.

It is an arithmetic number, because the mean of its divisors is an integer number (13728000).

Almost surely, 2^99791937 is an apocalyptic number.

It is an amenable number.

99791937 is a deficient number, since it is larger than the sum of its proper divisors (64944063).

99791937 is a wasteful number, since it uses less digits than its factorization.

99791937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584012 (or 1584009 counting only the distinct ones).

The product of its digits is 964467, while the sum is 54.

The square root of 99791937 is about 9989.5914330867. The cubic root of 99791937 is about 463.8367455422.

The spelling of 99791937 in words is "ninety-nine million, seven hundred ninety-one thousand, nine hundred thirty-seven".