80807959 has 2 divisors, whose sum is σ = 80807960. Its totient is φ = 80807958.

The previous prime is 80807957. The next prime is 80807971. The reversal of 80807959 is 95970808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80807959 - 2¹ = 80807957 is a prime.

Together with 80807957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80807957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40403979 + 40403980.

It is an arithmetic number, because the mean of its divisors is an integer number (40403980).

Almost surely, 2^80807959 is an apocalyptic number.

80807959 is a deficient number, since it is larger than the sum of its proper divisors (1).

80807959 is an equidigital number, since it uses as much as digits as its factorization.

80807959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 80807959 is about 8989.3247243606. The cubic root of 80807959 is about 432.3326609360.

The spelling of 80807959 in words is "eighty million, eight hundred seven thousand, nine hundred fifty-nine".