790131647 has 2 divisors, whose sum is σ = 790131648. Its totient is φ = 790131646.

The previous prime is 790131637. The next prime is 790131677. The reversal of 790131647 is 746131097.

It is a weak prime.

It is an emirp because it is prime and its reverse (746131097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 790131647 - 2⁴ = 790131631 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 790131647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790131637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395065823 + 395065824.

It is an arithmetic number, because the mean of its divisors is an integer number (395065824).

Almost surely, 2^790131647 is an apocalyptic number.

790131647 is a deficient number, since it is larger than the sum of its proper divisors (1).

790131647 is an equidigital number, since it uses as much as digits as its factorization.

790131647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 790131647 is about 28109.2804425869. The cubic root of 790131647 is about 924.4848934337.

The spelling of 790131647 in words is "seven hundred ninety million, one hundred thirty-one thousand, six hundred forty-seven".