74855090888 has 12 divisors (see below), whose sum is σ = 140354746395. Its totient is φ = 37427158520.

The previous prime is 74855090879. The next prime is 74855090909. The reversal of 74855090888 is 88809055847.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 37427545444 + 37427545444 = 193462^2 + 193462^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=193462.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74855090888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 725483 + ... + 822213.

Almost surely, 2^74855090888 is an apocalyptic number.

It is an amenable number.

74855090888 is a deficient number, since it is larger than the sum of its proper divisors (65499655507).

74855090888 is an frugal number, since it uses more digits than its factorization.

74855090888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193468 (or 96733 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 62.

The spelling of 74855090888 in words is "seventy-four billion, eight hundred fifty-five million, ninety thousand, eight hundred eighty-eight".