769025864 has 8 divisors (see below), whose sum is σ = 1441923510. Its totient is φ = 384512928.

The previous prime is 769025849. The next prime is 769025867. The reversal of 769025864 is 468520967.

It can be written as a sum of positive squares in only one way, i.e., 697488100 + 71537764 = 26410^2 + 8458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (769025867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48064109 + ... + 48064124.

Almost surely, 2^769025864 is an apocalyptic number.

It is an amenable number.

769025864 is a deficient number, since it is larger than the sum of its proper divisors (672897646).

769025864 is a wasteful number, since it uses less digits than its factorization.

769025864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96128239 (or 96128235 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 769025864 is about 27731.3155836502. The cubic root of 769025864 is about 916.1789630180.

The spelling of 769025864 in words is "seven hundred sixty-nine million, twenty-five thousand, eight hundred sixty-four".