769881930 has 16 divisors (see below), whose sum is σ = 1847716704. Its totient is φ = 205301840.

The previous prime is 769881929. The next prime is 769881943. The reversal of 769881930 is 39188967.

It is a super-2 number, since 2×769881930² = 1185436372281049800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12831336 + ... + 12831395.

It is an arithmetic number, because the mean of its divisors is an integer number (115482294).

Almost surely, 2^769881930 is an apocalyptic number.

769881930 is an abundant number, since it is smaller than the sum of its proper divisors (1077834774).

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

769881930 is a wasteful number, since it uses less digits than its factorization.

769881930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25662741.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 769881930 is about 27746.7462957371. The cubic root of 769881930 is about 916.5187950271.

The spelling of 769881930 in words is "seven hundred sixty-nine million, eight hundred eighty-one thousand, nine hundred thirty".