80708899 has 2 divisors, whose sum is σ = 80708900. Its totient is φ = 80708898.

The previous prime is 80708897. The next prime is 80708921. The reversal of 80708899 is 99880708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80708899 - 2¹ = 80708897 is a prime.

Together with 80708897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80708897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40354449 + 40354450.

It is an arithmetic number, because the mean of its divisors is an integer number (40354450).

Almost surely, 2^80708899 is an apocalyptic number.

80708899 is a deficient number, since it is larger than the sum of its proper divisors (1).

80708899 is an equidigital number, since it uses as much as digits as its factorization.

80708899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 80708899 is about 8983.8131659112. The cubic root of 80708899 is about 432.1559275799.

The spelling of 80708899 in words is "eighty million, seven hundred eight thousand, eight hundred ninety-nine".