769139612 has 12 divisors (see below), whose sum is σ = 1346846256. Its totient is φ = 384326400.

The previous prime is 769139611. The next prime is 769139617. The reversal of 769139612 is 216931967.

769139612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769139611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53648 + ... + 66455.

It is an arithmetic number, because the mean of its divisors is an integer number (112237188).

Almost surely, 2^769139612 is an apocalyptic number.

It is an amenable number.

769139612 is a deficient number, since it is larger than the sum of its proper divisors (577706644).

769139612 is a wasteful number, since it uses less digits than its factorization.

769139612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121708 (or 121706 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 769139612 is about 27733.3664022239. The cubic root of 769139612 is about 916.2241320176.

The spelling of 769139612 in words is "seven hundred sixty-nine million, one hundred thirty-nine thousand, six hundred twelve".