769697993 has 2 divisors, whose sum is σ = 769697994. Its totient is φ = 769697992.

The previous prime is 769697969. The next prime is 769698029. The reversal of 769697993 is 399796967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737013904 + 32684089 = 27148^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 769697993 - 2¹⁰ = 769696969 is a prime.

It is not a weakly prime, because it can be changed into another prime (769697953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384848996 + 384848997.

It is an arithmetic number, because the mean of its divisors is an integer number (384848997).

Almost surely, 2^769697993 is an apocalyptic number.

It is an amenable number.

769697993 is a deficient number, since it is larger than the sum of its proper divisors (1).

769697993 is an equidigital number, since it uses as much as digits as its factorization.

769697993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34720812, while the sum is 65.

The square root of 769697993 is about 27743.4315289223. The cubic root of 769697993 is about 916.4457989228.

The spelling of 769697993 in words is "seven hundred sixty-nine million, six hundred ninety-seven thousand, nine hundred ninety-three".