80568959 has 2 divisors, whose sum is σ = 80568960. Its totient is φ = 80568958.

The previous prime is 80568953. The next prime is 80568979. The reversal of 80568959 is 95986508.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80568959 - 2²⁰ = 79520383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80568953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40284479 + 40284480.

It is an arithmetic number, because the mean of its divisors is an integer number (40284480).

Almost surely, 2^80568959 is an apocalyptic number.

80568959 is a deficient number, since it is larger than the sum of its proper divisors (1).

80568959 is an equidigital number, since it uses as much as digits as its factorization.

80568959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 80568959 is about 8976.0213346449. The cubic root of 80568959 is about 431.9060134328.

The spelling of 80568959 in words is "eighty million, five hundred sixty-eight thousand, nine hundred fifty-nine".