99744798976 has 27 divisors (see below), whose sum is σ = 199110056971. Its totient is φ = 49869872896.

The previous prime is 99744798953. The next prime is 99744798977. The reversal of 99744798976 is 67989744799.

The square root of 99744798976 is 315824.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99744798896 and 99744798905.

It is not an unprimeable number, because it can be changed into a prime (99744798977) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5043315 + ... + 5063053.

Almost surely, 2^99744798976 is an apocalyptic number.

99744798976 is the 315824-th square number.

It is an amenable number.

99744798976 is a deficient number, since it is larger than the sum of its proper divisors (99365257995).

99744798976 is an frugal number, since it uses more digits than its factorization.

99744798976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39494 (or 19741 counting only the distinct ones).

The product of its digits is 1728324864, while the sum is 79.

The spelling of 99744798976 in words is "ninety-nine billion, seven hundred forty-four million, seven hundred ninety-eight thousand, nine hundred seventy-six".