793640761 has 2 divisors, whose sum is σ = 793640762. Its totient is φ = 793640760.

The previous prime is 793640747. The next prime is 793640777. The reversal of 793640761 is 167046397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564300025 + 229340736 = 23755^2 + 15144^2 .

It is a cyclic number.

It is not a de Polignac number, because 793640761 - 2⁷ = 793640633 is a prime.

It is not a weakly prime, because it can be changed into another prime (793640741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396820380 + 396820381.

It is an arithmetic number, because the mean of its divisors is an integer number (396820381).

Almost surely, 2^793640761 is an apocalyptic number.

It is an amenable number.

793640761 is a deficient number, since it is larger than the sum of its proper divisors (1).

793640761 is an equidigital number, since it uses as much as digits as its factorization.

793640761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 793640761 is about 28171.6304285002. The cubic root of 793640761 is about 925.8514725075.

The spelling of 793640761 in words is "seven hundred ninety-three million, six hundred forty thousand, seven hundred sixty-one".