99123447576 has 32 divisors (see below), whose sum is σ = 258582908160. Its totient is φ = 31604577312.

The previous prime is 99123447559. The next prime is 99123447601. The reversal of 99123447576 is 67574432199.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89785180 + ... + 89786283.

It is an arithmetic number, because the mean of its divisors is an integer number (8080715880).

Almost surely, 2^99123447576 is an apocalyptic number.

It is an amenable number.

99123447576 is an abundant number, since it is smaller than the sum of its proper divisors (159459460584).

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

99123447576 is a wasteful number, since it uses less digits than its factorization.

99123447576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179571495 (or 179571491 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 57.

The spelling of 99123447576 in words is "ninety-nine billion, one hundred twenty-three million, four hundred forty-seven thousand, five hundred seventy-six".