799920007499 has 2 divisors, whose sum is σ = 799920007500. Its totient is φ = 799920007498.

The previous prime is 799920007451. The next prime is 799920007507. The reversal of 799920007499 is 994700029997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 799920007499 - 2²⁴ = 799903230283 is a prime.

It is not a weakly prime, because it can be changed into another prime (799920007699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399960003749 + 399960003750.

It is an arithmetic number, because the mean of its divisors is an integer number (399960003750).

Almost surely, 2^799920007499 is an apocalyptic number.

799920007499 is a deficient number, since it is larger than the sum of its proper divisors (1).

799920007499 is an equidigital number, since it uses as much as digits as its factorization.

799920007499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23147208, while the sum is 65.

The spelling of 799920007499 in words is "seven hundred ninety-nine billion, nine hundred twenty million, seven thousand, four hundred ninety-nine".