769390869 has 16 divisors (see below), whose sum is σ = 1105264832. Its totient is φ = 473257728.

The previous prime is 769390859. The next prime is 769390901. The reversal of 769390869 is 968093967.

It is not a de Polignac number, because 769390869 - 2⁸ = 769390613 is a prime.

It is a super-2 number, since 2×769390869² = 1183924618601150322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769390859) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 160542 + ... + 165264.

It is an arithmetic number, because the mean of its divisors is an integer number (69079052).

Almost surely, 2^769390869 is an apocalyptic number.

It is an amenable number.

769390869 is a deficient number, since it is larger than the sum of its proper divisors (335873963).

769390869 is a wasteful number, since it uses less digits than its factorization.

769390869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The square root of 769390869 is about 27737.8959007348. The cubic root of 769390869 is about 916.3238896603.

The spelling of 769390869 in words is "seven hundred sixty-nine million, three hundred ninety thousand, eight hundred sixty-nine".