773320631 has 2 divisors, whose sum is σ = 773320632. Its totient is φ = 773320630.

The previous prime is 773320591. The next prime is 773320661. The reversal of 773320631 is 136023377.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 773320631 - 2¹⁰ = 773319607 is a prime.

It is a super-2 number, since 2×773320631² = 1196049596660476322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (773320661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386660315 + 386660316.

It is an arithmetic number, because the mean of its divisors is an integer number (386660316).

Almost surely, 2^773320631 is an apocalyptic number.

773320631 is a deficient number, since it is larger than the sum of its proper divisors (1).

773320631 is an equidigital number, since it uses as much as digits as its factorization.

773320631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 773320631 is about 27808.6430988641. The cubic root of 773320631 is about 917.8813214499.

The spelling of 773320631 in words is "seven hundred seventy-three million, three hundred twenty thousand, six hundred thirty-one".