779620944 has 20 divisors (see below), whose sum is σ = 2014020896. Its totient is φ = 259873632.

The previous prime is 779620927. The next prime is 779620951. The reversal of 779620944 is 449026977.

It is a super-2 number, since 2×779620944² = 1215617632646902272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 16242103 = 779620944 / (7 + 7 + 9 + 6 + 2 + 0 + 9 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 779620893 and 779620902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8121004 + ... + 8121099.

Almost surely, 2^779620944 is an apocalyptic number.

It is an amenable number.

779620944 is an abundant number, since it is smaller than the sum of its proper divisors (1234399952).

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

779620944 is a wasteful number, since it uses less digits than its factorization.

779620944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16242114 (or 16242108 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 779620944 is about 27921.6930718751. The cubic root of 779620944 is about 920.3672698731.

The spelling of 779620944 in words is "seven hundred seventy-nine million, six hundred twenty thousand, nine hundred forty-four".