99900904561936 has 45 divisors (see below), whose sum is σ = 193840140794391. Its totient is φ = 49877748330912.

The previous prime is 99900904561883. The next prime is 99900904561961. The reversal of 99900904561936 is 63916540900999.

The square root of 99900904561936 is 9995044.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36741780385 + ... + 36741783103.

Almost surely, 2^{99900904561936} is an apocalyptic number.

99900904561936 is the 9995044-th square number.

It is an amenable number.

99900904561936 is a deficient number, since it is larger than the sum of its proper divisors (93939236232455).

99900904561936 is an frugal number, since it uses more digits than its factorization.

99900904561936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 127545840, while the sum is 70.

The spelling of 99900904561936 in words is "ninety-nine trillion, nine hundred billion, nine hundred four million, five hundred sixty-one thousand, nine hundred thirty-six".