80808799 has 2 divisors, whose sum is σ = 80808800. Its totient is φ = 80808798.

The previous prime is 80808797. The next prime is 80808829. The reversal of 80808799 is 99780808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80808799 - 2¹ = 80808797 is a prime.

Together with 80808797, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80808797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40404399 + 40404400.

It is an arithmetic number, because the mean of its divisors is an integer number (40404400).

Almost surely, 2^80808799 is an apocalyptic number.

80808799 is a deficient number, since it is larger than the sum of its proper divisors (1).

80808799 is an equidigital number, since it uses as much as digits as its factorization.

80808799 is an evil number, because the sum of its binary digits is even.

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

The square root of 80808799 is about 8989.3714463248. The cubic root of 80808799 is about 432.3341589657.

The spelling of 80808799 in words is "eighty million, eight hundred eight thousand, seven hundred ninety-nine".