80772959 has 2 divisors, whose sum is σ = 80772960. Its totient is φ = 80772958.

The previous prime is 80772919. The next prime is 80773003. The reversal of 80772959 is 95927708.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80772959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80772919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40386479 + 40386480.

It is an arithmetic number, because the mean of its divisors is an integer number (40386480).

Almost surely, 2^80772959 is an apocalyptic number.

80772959 is a deficient number, since it is larger than the sum of its proper divisors (1).

80772959 is an equidigital number, since it uses as much as digits as its factorization.

80772959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 80772959 is about 8987.3777599476. The cubic root of 80772959 is about 432.2702338002.

The spelling of 80772959 in words is "eighty million, seven hundred seventy-two thousand, nine hundred fifty-nine".