188812801 has 2 divisors, whose sum is σ = 188812802. Its totient is φ = 188812800.

The previous prime is 188812783. The next prime is 188812817. The reversal of 188812801 is 108218881.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147865600 + 40947201 = 12160^2 + 6399^2 .

It is a cyclic number.

It is not a de Polignac number, because 188812801 - 2⁵ = 188812769 is a prime.

It is not a weakly prime, because it can be changed into another prime (188818801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94406400 + 94406401.

It is an arithmetic number, because the mean of its divisors is an integer number (94406401).

Almost surely, 2^188812801 is an apocalyptic number.

It is an amenable number.

188812801 is a deficient number, since it is larger than the sum of its proper divisors (1).

188812801 is an equidigital number, since it uses as much as digits as its factorization.

188812801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 37.

The square root of 188812801 is about 13740.9170363553. The cubic root of 188812801 is about 573.6898219754.

The spelling of 188812801 in words is "one hundred eighty-eight million, eight hundred twelve thousand, eight hundred one".