80500499 has 2 divisors, whose sum is σ = 80500500. Its totient is φ = 80500498.

The previous prime is 80500489. The next prime is 80500517. The reversal of 80500499 is 99400508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80500499 - 2²⁰ = 79451923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80500489) 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, 40250249 + 40250250.

It is an arithmetic number, because the mean of its divisors is an integer number (40250250).

Almost surely, 2^80500499 is an apocalyptic number.

80500499 is a deficient number, since it is larger than the sum of its proper divisors (1).

80500499 is an equidigital number, since it uses as much as digits as its factorization.

80500499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 80500499 is about 8972.2070306029. The cubic root of 80500499 is about 431.7836475953.

The spelling of 80500499 in words is "eighty million, five hundred thousand, four hundred ninety-nine".