778798631596 has 12 divisors (see below), whose sum is σ = 1362935385280. Its totient is φ = 389388521520.

The previous prime is 778798631561. The next prime is 778798631627. The reversal of 778798631596 is 695136897877.

It is a super-3 number, since 3×778798631596³ (a number of 37 digits) contains 333 as substring.

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, 2535135 + ... + 2825686.

Almost surely, 2^778798631596 is an apocalyptic number.

It is an amenable number.

778798631596 is a deficient number, since it is larger than the sum of its proper divisors (584136753684).

778798631596 is a wasteful number, since it uses less digits than its factorization.

778798631596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397144 (or 5397142 counting only the distinct ones).

The product of its digits is 960180480, while the sum is 76.

The spelling of 778798631596 in words is "seven hundred seventy-eight billion, seven hundred ninety-eight million, six hundred thirty-one thousand, five hundred ninety-six".