188478052 has 24 divisors (see below), whose sum is σ = 380621696. Its totient is φ = 79990848.

The previous prime is 188477999. The next prime is 188478053. The reversal of 188478052 is 250874881.

It is not an unprimeable number, because it can be changed into a prime (188478053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29793 + ... + 35560.

Almost surely, 2^188478052 is an apocalyptic number.

It is an amenable number.

188478052 is an abundant number, since it is smaller than the sum of its proper divisors (192143644).

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

188478052 is a wasteful number, since it uses less digits than its factorization.

188478052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65467 (or 65465 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 188478052 is about 13728.7308954615. The cubic root of 188478052 is about 573.3505870356.

The spelling of 188478052 in words is "one hundred eighty-eight million, four hundred seventy-eight thousand, fifty-two".