771616670632 has 16 divisors (see below), whose sum is σ = 1458173237760. Its totient is φ = 382770473904.

The previous prime is 771616670581. The next prime is 771616670641. The reversal of 771616670632 is 236076616177.

It is a self number, because there is not a number n which added to its sum of digits gives 771616670632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379731598 + ... + 379733629.

It is an arithmetic number, because the mean of its divisors is an integer number (91135827360).

Almost surely, 2^771616670632 is an apocalyptic number.

It is an amenable number.

771616670632 is a deficient number, since it is larger than the sum of its proper divisors (686556567128).

771616670632 is a wasteful number, since it uses less digits than its factorization.

771616670632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759465360 (or 759465356 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 771616670632 in words is "seven hundred seventy-one billion, six hundred sixteen million, six hundred seventy thousand, six hundred thirty-two".