769861172 has 6 divisors (see below), whose sum is σ = 1347257058. Its totient is φ = 384930584.

The previous prime is 769861153. The next prime is 769861181. The reversal of 769861172 is 271168967.

769861172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 768620176 + 1240996 = 27724^2 + 1114^2 .

It is a super-3 number, since 3×769861172³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96232643 + ... + 96232650.

It is an arithmetic number, because the mean of its divisors is an integer number (224542843).

Almost surely, 2^769861172 is an apocalyptic number.

It is an amenable number.

769861172 is a deficient number, since it is larger than the sum of its proper divisors (577395886).

769861172 is a wasteful number, since it uses less digits than its factorization.

769861172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192465297 (or 192465295 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 769861172 is about 27746.3722313386. The cubic root of 769861172 is about 916.5105577172.

The spelling of 769861172 in words is "seven hundred sixty-nine million, eight hundred sixty-one thousand, one hundred seventy-two".