779912056 has 32 divisors (see below), whose sum is σ = 1823172480. Its totient is φ = 303861600.

The previous prime is 779912047. The next prime is 779912141. The reversal of 779912056 is 650219977.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 779911997 and 779912015.

It is a congruent 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, 632430 + ... + 633661.

It is an arithmetic number, because the mean of its divisors is an integer number (56974140).

Almost surely, 2^779912056 is an apocalyptic number.

It is an amenable number.

779912056 is an abundant number, since it is smaller than the sum of its proper divisors (1043260424).

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

779912056 is a wasteful number, since it uses less digits than its factorization.

779912056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266115 (or 1266111 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 779912056 is about 27926.9055929940. The cubic root of 779912056 is about 920.4818112697.

The spelling of 779912056 in words is "seven hundred seventy-nine million, nine hundred twelve thousand, fifty-six".