769477693 has 2 divisors, whose sum is σ = 769477694. Its totient is φ = 769477692.

The previous prime is 769477669. The next prime is 769477711. The reversal of 769477693 is 396774967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763803769 + 5673924 = 27637^2 + 2382^2 .

It is a cyclic number.

It is not a de Polignac number, because 769477693 - 2²⁵ = 735923261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769477603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384738846 + 384738847.

It is an arithmetic number, because the mean of its divisors is an integer number (384738847).

Almost surely, 2^769477693 is an apocalyptic number.

It is an amenable number.

769477693 is a deficient number, since it is larger than the sum of its proper divisors (1).

769477693 is an equidigital number, since it uses as much as digits as its factorization.

769477693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12002256, while the sum is 58.

The square root of 769477693 is about 27739.4609356418. The cubic root of 769477693 is about 916.3583567156.

The spelling of 769477693 in words is "seven hundred sixty-nine million, four hundred seventy-seven thousand, six hundred ninety-three".