779891464 has 32 divisors (see below), whose sum is σ = 1608438240. Its totient is φ = 354491280.

The previous prime is 779891443. The next prime is 779891467. The reversal of 779891464 is 464198977.

It is not an unprimeable number, because it can be changed into a prime (779891467) 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, 25974 + ... + 47269.

It is an arithmetic number, because the mean of its divisors is an integer number (50263695).

Almost surely, 2^779891464 is an apocalyptic number.

It is an amenable number.

779891464 is an abundant number, since it is smaller than the sum of its proper divisors (828546776).

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

779891464 is a wasteful number, since it uses less digits than its factorization.

779891464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73282 (or 73256 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 779891464 is about 27926.5369138388. The cubic root of 779891464 is about 920.4737100450.

The spelling of 779891464 in words is "seven hundred seventy-nine million, eight hundred ninety-one thousand, four hundred sixty-four".