99720714774 has 8 divisors (see below), whose sum is σ = 199441429560. Its totient is φ = 33240238256.

The previous prime is 99720714763. The next prime is 99720714803. The reversal of 99720714774 is 47741702799.

It is a sphenic number, since it is the product of 3 distinct primes.

99720714774 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8310059559 + ... + 8310059570.

It is an arithmetic number, because the mean of its divisors is an integer number (24930178695).

Almost surely, 2^99720714774 is an apocalyptic number.

99720714774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99720714774 is a wasteful number, since it uses less digits than its factorization.

99720714774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16620119134.

The product of its (nonzero) digits is 6223392, while the sum is 57.

The spelling of 99720714774 in words is "ninety-nine billion, seven hundred twenty million, seven hundred fourteen thousand, seven hundred seventy-four".