99297172104 has 128 divisors (see below), whose sum is σ = 276138132480. Its totient is φ = 29548569600.

The previous prime is 99297172099. The next prime is 99297172133. The reversal of 99297172104 is 40127179299.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25348354 + ... + 25352270.

It is an arithmetic number, because the mean of its divisors is an integer number (2157329160).

Almost surely, 2^99297172104 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 99297172104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138069066240).

99297172104 is an abundant number, since it is smaller than the sum of its proper divisors (176840960376).

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

99297172104 is a wasteful number, since it uses less digits than its factorization.

99297172104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6587 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 51.

The spelling of 99297172104 in words is "ninety-nine billion, two hundred ninety-seven million, one hundred seventy-two thousand, one hundred four".