74855664488 has 32 divisors (see below), whose sum is σ = 153136193760. Its totient is φ = 34020338880.

The previous prime is 74855664473. The next prime is 74855664509. The reversal of 74855664488 is 88446655847.

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, 582506 + ... + 699302.

It is an arithmetic number, because the mean of its divisors is an integer number (4785506055).

Almost surely, 2^74855664488 is an apocalyptic number.

It is an amenable number.

74855664488 is an abundant number, since it is smaller than the sum of its proper divisors (78280529272).

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

74855664488 is a wasteful number, since it uses less digits than its factorization.

74855664488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124097 (or 124093 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 65.

The spelling of 74855664488 in words is "seventy-four billion, eight hundred fifty-five million, six hundred sixty-four thousand, four hundred eighty-eight".