99504256956 has 96 divisors (see below), whose sum is σ = 252332598336. Its totient is φ = 30336768000.

The previous prime is 99504256933. The next prime is 99504256981. The reversal of 99504256956 is 65965240599.

It is a self number, because there is not a number n which added to its sum of digits gives 99504256956.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7928046 + ... + 7940586.

It is an arithmetic number, because the mean of its divisors is an integer number (2628464566).

Almost surely, 2^99504256956 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 99504256956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126166299168).

99504256956 is an abundant number, since it is smaller than the sum of its proper divisors (152828341380).

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

99504256956 is a wasteful number, since it uses less digits than its factorization.

99504256956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13023 (or 13021 counting only the distinct ones).

The product of its (nonzero) digits is 26244000, while the sum is 60.

The spelling of 99504256956 in words is "ninety-nine billion, five hundred four million, two hundred fifty-six thousand, nine hundred fifty-six".