779207306880 has 512 divisors, whose sum is σ = 2666725079040. Its totient is φ = 193053966336.

The previous prime is 779207306879. The next prime is 779207306939. The reversal of 779207306880 is 88603702977.

It is a self number, because there is not a number n which added to its sum of digits gives 779207306880.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 374078319 + ... + 374080401.

It is an arithmetic number, because the mean of its divisors is an integer number (5208447420).

Almost surely, 2^779207306880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 779207306880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333362539520).

779207306880 is an abundant number, since it is smaller than the sum of its proper divisors (1887517772160).

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

779207306880 is a wasteful number, since it uses less digits than its factorization.

779207306880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 779207306880 in words is "seven hundred seventy-nine billion, two hundred seven million, three hundred six thousand, eight hundred eighty".