188700052 has 12 divisors (see below), whose sum is σ = 330422400. Its totient is φ = 94293656.

The previous prime is 188700041. The next prime is 188700053. The reversal of 188700052 is 250007881.

It is a junction number, because it is equal to n+sod(n) for n = 188699987 and 188700023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188700053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052 + ... + 20347.

It is an arithmetic number, because the mean of its divisors is an integer number (27535200).

Almost surely, 2^188700052 is an apocalyptic number.

It is an amenable number.

188700052 is a deficient number, since it is larger than the sum of its proper divisors (141722348).

188700052 is a wasteful number, since it uses less digits than its factorization.

188700052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28190 (or 28188 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 188700052 is about 13736.8137499203. The cubic root of 188700052 is about 573.5756068503.

The spelling of 188700052 in words is "one hundred eighty-eight million, seven hundred thousand, fifty-two".