80399313 has 6 divisors (see below), whose sum is σ = 116132354. Its totient is φ = 53599536.

The previous prime is 80399303. The next prime is 80399321. The reversal of 80399313 is 31399308.

It can be written as a sum of positive squares in only one way, i.e., 65561409 + 14837904 = 8097^2 + 3852^2 .

It is not a de Polignac number, because 80399313 - 2²⁰ = 79350737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80399303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4466620 + ... + 4466637.

Almost surely, 2^80399313 is an apocalyptic number.

It is an amenable number.

80399313 is a deficient number, since it is larger than the sum of its proper divisors (35733041).

80399313 is a wasteful number, since it uses less digits than its factorization.

80399313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8933263 (or 8933260 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 80399313 is about 8966.5663996872. The cubic root of 80399313 is about 431.6026599856.

The spelling of 80399313 in words is "eighty million, three hundred ninety-nine thousand, three hundred thirteen".