188074057 has 2 divisors, whose sum is σ = 188074058. Its totient is φ = 188074056.

The previous prime is 188074037. The next prime is 188074067. The reversal of 188074057 is 750470881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154654096 + 33419961 = 12436^2 + 5781^2 .

It is an emirp because it is prime and its reverse (750470881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188074057 - 2²³ = 179685449 is a prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (188074037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94037028 + 94037029.

It is an arithmetic number, because the mean of its divisors is an integer number (94037029).

Almost surely, 2^188074057 is an apocalyptic number.

It is an amenable number.

188074057 is a deficient number, since it is larger than the sum of its proper divisors (1).

188074057 is an equidigital number, since it uses as much as digits as its factorization.

188074057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 188074057 is about 13714.0095158199. The cubic root of 188074057 is about 572.9406428143.

The spelling of 188074057 in words is "one hundred eighty-eight million, seventy-four thousand, fifty-seven".