790019999 has 2 divisors, whose sum is σ = 790020000. Its totient is φ = 790019998.

The previous prime is 790019963. The next prime is 790020047. The reversal of 790019999 is 999910097.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 790019999 - 2⁸ = 790019743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 790019999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790019959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395009999 + 395010000.

It is an arithmetic number, because the mean of its divisors is an integer number (395010000).

Almost surely, 2^790019999 is an apocalyptic number.

790019999 is a deficient number, since it is larger than the sum of its proper divisors (1).

790019999 is an equidigital number, since it uses as much as digits as its factorization.

790019999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 53.

The square root of 790019999 is about 28107.2944091031. The cubic root of 790019999 is about 924.4413472087.

The spelling of 790019999 in words is "seven hundred ninety million, nineteen thousand, nine hundred ninety-nine".