99617774794 has 16 divisors (see below), whose sum is σ = 149667518016. Its totient is φ = 49728664000.

The previous prime is 99617774783. The next prime is 99617774833. The reversal of 99617774794 is 49747771699.

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, 3524619 + ... + 3552769.

It is an arithmetic number, because the mean of its divisors is an integer number (9354219876).

Almost surely, 2^99617774794 is an apocalyptic number.

99617774794 is a deficient number, since it is larger than the sum of its proper divisors (50049743222).

99617774794 is a wasteful number, since it uses less digits than its factorization.

99617774794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30941.

The product of its digits is 168031584, while the sum is 70.

The spelling of 99617774794 in words is "ninety-nine billion, six hundred seventeen million, seven hundred seventy-four thousand, seven hundred ninety-four".