188814775825 has 12 divisors (see below), whose sum is σ = 252140347228. Its totient is φ = 139432449600.

The previous prime is 188814775729. The next prime is 188814775841. The reversal of 188814775825 is 528577418881.

It can be written as a sum of positive squares in 6 ways, for example, as 139216401 + 188675559424 = 11799^2 + 434368^2 .

It is not a de Polignac number, because 188814775825 - 2¹⁵ = 188814743057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290483946 + ... + 290484595.

Almost surely, 2^188814775825 is an apocalyptic number.

It is an amenable number.

188814775825 is a deficient number, since it is larger than the sum of its proper divisors (63325571403).

188814775825 is a wasteful number, since it uses less digits than its factorization.

188814775825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580968564 (or 580968559 counting only the distinct ones).

The product of its digits is 40140800, while the sum is 64.

The spelling of 188814775825 in words is "one hundred eighty-eight billion, eight hundred fourteen million, seven hundred seventy-five thousand, eight hundred twenty-five".