99756392379 has 64 divisors (see below), whose sum is σ = 162769689600. Its totient is φ = 53077358592.

The previous prime is 99756392369. The next prime is 99756392459. The reversal of 99756392379 is 97329365799.

It is not a de Polignac number, because 99756392379 - 2⁴ = 99756392363 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (99756392369) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8528367 + ... + 8540055.

It is an arithmetic number, because the mean of its divisors is an integer number (2543276400).

Almost surely, 2^99756392379 is an apocalyptic number.

99756392379 is a deficient number, since it is larger than the sum of its proper divisors (63013297221).

99756392379 is a wasteful number, since it uses less digits than its factorization.

99756392379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084.

The product of its digits is 173604060, while the sum is 69.

The spelling of 99756392379 in words is "ninety-nine billion, seven hundred fifty-six million, three hundred ninety-two thousand, three hundred seventy-nine".