769135172 has 24 divisors (see below), whose sum is σ = 1496285952. Its totient is φ = 343533600.

The previous prime is 769135123. The next prime is 769135177. The reversal of 769135172 is 271531967.

It is not an unprimeable number, because it can be changed into a prime (769135177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236954 + ... + 240177.

It is an arithmetic number, because the mean of its divisors is an integer number (62345248).

Almost surely, 2^769135172 is an apocalyptic number.

It is an amenable number.

769135172 is a deficient number, since it is larger than the sum of its proper divisors (727150780).

769135172 is a wasteful number, since it uses less digits than its factorization.

769135172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477179 (or 477177 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 769135172 is about 27733.2863541269. The cubic root of 769135172 is about 916.2223689901. Note that the first 3 decimals are identical.

The spelling of 769135172 in words is "seven hundred sixty-nine million, one hundred thirty-five thousand, one hundred seventy-two".