188826868 has 6 divisors (see below), whose sum is σ = 330447026. Its totient is φ = 94413432.

The previous prime is 188826817. The next prime is 188826877. The reversal of 188826868 is 868628881.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104407524 + 84419344 = 10218^2 + 9188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23603355 + ... + 23603362.

Almost surely, 2^188826868 is an apocalyptic number.

It is an amenable number.

188826868 is a deficient number, since it is larger than the sum of its proper divisors (141620158).

188826868 is a wasteful number, since it uses less digits than its factorization.

188826868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47206721 (or 47206719 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 55.

The square root of 188826868 is about 13741.4288922222. The cubic root of 188826868 is about 573.7040687042.

The spelling of 188826868 in words is "one hundred eighty-eight million, eight hundred twenty-six thousand, eight hundred sixty-eight".