771336370056 has 128 divisors (see below), whose sum is σ = 2311922995200. Its totient is φ = 209785416960.

The previous prime is 771336370037. The next prime is 771336370073. The reversal of 771336370056 is 650073633177.

It is a junction number, because it is equal to n+sod(n) for n = 771336369987 and 771336370014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769020 + ... + 1460843.

It is an arithmetic number, because the mean of its divisors is an integer number (18061898400).

Almost surely, 2^771336370056 is an apocalyptic number.

It is an amenable number.

771336370056 is an abundant number, since it is smaller than the sum of its proper divisors (1540586625144).

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

771336370056 is a wasteful number, since it uses less digits than its factorization.

771336370056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229979 (or 2229975 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 48.

The spelling of 771336370056 in words is "seven hundred seventy-one billion, three hundred thirty-six million, three hundred seventy thousand, fifty-six".