77017416474256 has 10 divisors (see below), whose sum is σ = 149221244418902. Its totient is φ = 38508708237120.

The previous prime is 77017416474239. The next prime is 77017416474301. The reversal of 77017416474256 is 65247461471077.

It can be written as a sum of positive squares in only one way, i.e., 45492111206656 + 31525305267600 = 6744784^2 + 5614740^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77017416474194 and 77017416474203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2406794264805 + ... + 2406794264836.

Almost surely, 2^{77017416474256} is an apocalyptic number.

It is an amenable number.

77017416474256 is a deficient number, since it is larger than the sum of its proper divisors (72203827944646).

77017416474256 is a wasteful number, since it uses less digits than its factorization.

77017416474256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813588529649 (or 4813588529643 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 61.

The spelling of 77017416474256 in words is "seventy-seven trillion, seventeen billion, four hundred sixteen million, four hundred seventy-four thousand, two hundred fifty-six".