188074897 has 2 divisors, whose sum is σ = 188074898. Its totient is φ = 188074896.

The previous prime is 188074883. The next prime is 188074903. The reversal of 188074897 is 798470881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182358016 + 5716881 = 13504^2 + 2391^2 .

It is a cyclic number.

It is not a de Polignac number, because 188074897 - 2⁷ = 188074769 is a prime.

It is not a weakly prime, because it can be changed into another prime (188074837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94037448 + 94037449.

It is an arithmetic number, because the mean of its divisors is an integer number (94037449).

Almost surely, 2^188074897 is an apocalyptic number.

It is an amenable number.

188074897 is a deficient number, since it is larger than the sum of its proper divisors (1).

188074897 is an equidigital number, since it uses as much as digits as its factorization.

188074897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 188074897 is about 13714.0401414025. The cubic root of 188074897 is about 572.9414957928.

The spelling of 188074897 in words is "one hundred eighty-eight million, seventy-four thousand, eight hundred ninety-seven".