80138299 has 2 divisors, whose sum is σ = 80138300. Its totient is φ = 80138298.

The previous prime is 80138297. The next prime is 80138347. The reversal of 80138299 is 99283108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80138299 - 2¹ = 80138297 is a prime.

It is a super-2 number, since 2×80138299² = 12844293933226802, which contains 22 as substring.

Together with 80138297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80138297) 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, 40069149 + 40069150.

It is an arithmetic number, because the mean of its divisors is an integer number (40069150).

Almost surely, 2^80138299 is an apocalyptic number.

80138299 is a deficient number, since it is larger than the sum of its proper divisors (1).

80138299 is an equidigital number, since it uses as much as digits as its factorization.

80138299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 80138299 is about 8951.9997207328. Note that the first 3 decimals coincide. The cubic root of 80138299 is about 431.1350918663.

The spelling of 80138299 in words is "eighty million, one hundred thirty-eight thousand, two hundred ninety-nine".