80568937 has 2 divisors, whose sum is σ = 80568938. Its totient is φ = 80568936.

The previous prime is 80568923. The next prime is 80568947. The reversal of 80568937 is 73986508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 361 = 8976^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 80568937 - 2⁷ = 80568809 is a prime.

It is not a weakly prime, because it can be changed into another prime (80568947) 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, 40284468 + 40284469.

It is an arithmetic number, because the mean of its divisors is an integer number (40284469).

Almost surely, 2^80568937 is an apocalyptic number.

It is an amenable number.

80568937 is a deficient number, since it is larger than the sum of its proper divisors (1).

80568937 is an equidigital number, since it uses as much as digits as its factorization.

80568937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 80568937 is about 8976.0201091575. The cubic root of 80568937 is about 431.9059741210.

The spelling of 80568937 in words is "eighty million, five hundred sixty-eight thousand, nine hundred thirty-seven".