99577537794 has 48 divisors (see below), whose sum is σ = 252586938240. Its totient is φ = 27756803520.

The previous prime is 99577537789. The next prime is 99577537811. The reversal of 99577537794 is 49773577599.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9632614 + ... + 9642945.

It is an arithmetic number, because the mean of its divisors is an integer number (5262227880).

Almost surely, 2^99577537794 is an apocalyptic number.

99577537794 is an abundant number, since it is smaller than the sum of its proper divisors (153009400446).

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

99577537794 is a wasteful number, since it uses less digits than its factorization.

99577537794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275615 (or 19275612 counting only the distinct ones).

The product of its digits is 525098700, while the sum is 72.

The spelling of 99577537794 in words is "ninety-nine billion, five hundred seventy-seven million, five hundred thirty-seven thousand, seven hundred ninety-four".