80813017 has 2 divisors, whose sum is σ = 80813018. Its totient is φ = 80813016.

The previous prime is 80813011. The next prime is 80813027. The reversal of 80813017 is 71031808.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64256256 + 16556761 = 8016^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 80813017 - 2¹¹ = 80810969 is a prime.

It is not a weakly prime, because it can be changed into another prime (80813011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40406508 + 40406509.

It is an arithmetic number, because the mean of its divisors is an integer number (40406509).

Almost surely, 2^80813017 is an apocalyptic number.

It is an amenable number.

80813017 is a deficient number, since it is larger than the sum of its proper divisors (1).

80813017 is an equidigital number, since it uses as much as digits as its factorization.

80813017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 80813017 is about 8989.6060536600. The cubic root of 80813017 is about 432.3416810581.

The spelling of 80813017 in words is "eighty million, eight hundred thirteen thousand, seventeen".