769913965 has 8 divisors (see below), whose sum is σ = 924131448. Its totient is φ = 615774720.

The previous prime is 769913939. The next prime is 769913971. The reversal of 769913965 is 569319967.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 769896009 = 134^2 + 27747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 769913965 - 2⁹ = 769913453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4869 + ... + 39541.

It is an arithmetic number, because the mean of its divisors is an integer number (115516431).

Almost surely, 2^769913965 is an apocalyptic number.

It is an amenable number.

769913965 is a deficient number, since it is larger than the sum of its proper divisors (154217483).

769913965 is a wasteful number, since it uses less digits than its factorization.

769913965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39119.

The product of its digits is 2755620, while the sum is 55.

The square root of 769913965 is about 27747.3235646251. The cubic root of 769913965 is about 916.5315070510.

The spelling of 769913965 in words is "seven hundred sixty-nine million, nine hundred thirteen thousand, nine hundred sixty-five".