80838313 has 2 divisors, whose sum is σ = 80838314. Its totient is φ = 80838312.

The previous prime is 80838301. The next prime is 80838343. The reversal of 80838313 is 31383808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76790169 + 4048144 = 8763^2 + 2012^2 .

It is a cyclic number.

It is not a de Polignac number, because 80838313 - 2²⁵ = 47283881 is a prime.

It is not a weakly prime, because it can be changed into another prime (80838343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40419156 + 40419157.

It is an arithmetic number, because the mean of its divisors is an integer number (40419157).

Almost surely, 2^80838313 is an apocalyptic number.

It is an amenable number.

80838313 is a deficient number, since it is larger than the sum of its proper divisors (1).

80838313 is an equidigital number, since it uses as much as digits as its factorization.

80838313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 80838313 is about 8991.0129017814. The cubic root of 80838313 is about 432.3867867216.

The spelling of 80838313 in words is "eighty million, eight hundred thirty-eight thousand, three hundred thirteen".