80582879999 has 2 divisors, whose sum is σ = 80582880000. Its totient is φ = 80582879998.

The previous prime is 80582879983. The next prime is 80582880019. The reversal of 80582879999 is 99997828508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80582879999 - 2⁴ = 80582879983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80582879939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40291439999 + 40291440000.

It is an arithmetic number, because the mean of its divisors is an integer number (40291440000).

Almost surely, 2^80582879999 is an apocalyptic number.

80582879999 is a deficient number, since it is larger than the sum of its proper divisors (1).

80582879999 is an equidigital number, since it uses as much as digits as its factorization.

80582879999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235146240, while the sum is 74.

The spelling of 80582879999 in words is "eighty billion, five hundred eighty-two million, eight hundred seventy-nine thousand, nine hundred ninety-nine".