779470304256 has 880 divisors, whose sum is σ = 2840228810496. Its totient is φ = 207856336896.

The previous prime is 779470304231. The next prime is 779470304257. The reversal of 779470304256 is 652403074977.

It is a super-4 number, since 4×779470304256⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779470304257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1549642501 + ... + 1549643003.

Almost surely, 2^779470304256 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 779470304256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420114405248).

779470304256 is an abundant number, since it is smaller than the sum of its proper divisors (2060758506240).

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

779470304256 is a wasteful number, since it uses less digits than its factorization.

779470304256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 779470304256 in words is "seven hundred seventy-nine billion, four hundred seventy million, three hundred four thousand, two hundred fifty-six".