769028280 has 64 divisors (see below), whose sum is σ = 2327542560. Its totient is φ = 203255808.

The previous prime is 769028279. The next prime is 769028291. The reversal of 769028280 is 82820967.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14797 + ... + 41916.

Almost surely, 2^769028280 is an apocalyptic number.

It is an amenable number.

769028280 is an abundant number, since it is smaller than the sum of its proper divisors (1558514280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

769028280 is a wasteful number, since it uses less digits than its factorization.

769028280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56840 (or 56836 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 769028280 is about 27731.3591444776. The cubic root of 769028280 is about 916.1799224508.

The spelling of 769028280 in words is "seven hundred sixty-nine million, twenty-eight thousand, two hundred eighty".