80802317 has 2 divisors, whose sum is σ = 80802318. Its totient is φ = 80802316.

The previous prime is 80802283. The next prime is 80802361. The reversal of 80802317 is 71320808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80802121 + 196 = 8989^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 80802317 - 2¹⁰ = 80801293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80802317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80802017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40401158 + 40401159.

It is an arithmetic number, because the mean of its divisors is an integer number (40401159).

Almost surely, 2^80802317 is an apocalyptic number.

It is an amenable number.

80802317 is a deficient number, since it is larger than the sum of its proper divisors (1).

80802317 is an equidigital number, since it uses as much as digits as its factorization.

80802317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 80802317 is about 8989.0109022072. The cubic root of 80802317 is about 432.3225989005.

The spelling of 80802317 in words is "eighty million, eight hundred two thousand, three hundred seventeen".