792719981 has 2 divisors, whose sum is σ = 792719982. Its totient is φ = 792719980.

The previous prime is 792719971. The next prime is 792719999. The reversal of 792719981 is 189917297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599760100 + 192959881 = 24490^2 + 13891^2 .

It is a cyclic number.

It is not a de Polignac number, because 792719981 - 2¹⁸ = 792457837 is a prime.

It is a super-2 number, since 2×792719981² = 1256809936553280722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (792719971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396359990 + 396359991.

It is an arithmetic number, because the mean of its divisors is an integer number (396359991).

Almost surely, 2^792719981 is an apocalyptic number.

It is an amenable number.

792719981 is a deficient number, since it is larger than the sum of its proper divisors (1).

792719981 is an equidigital number, since it uses as much as digits as its factorization.

792719981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 53.

The square root of 792719981 is about 28155.2833585457. The cubic root of 792719981 is about 925.4932771018.

The spelling of 792719981 in words is "seven hundred ninety-two million, seven hundred nineteen thousand, nine hundred eighty-one".