676831661786 has 32 divisors (see below), whose sum is σ = 1174019190528. Its totient is φ = 286656537600.

The previous prime is 676831661777. The next prime is 676831661827. The reversal of 676831661786 is 687166138676.

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 15 ways as a sum of consecutive naturals, for example, 421445 + ... + 1237448.

It is an arithmetic number, because the mean of its divisors is an integer number (36688099704).

Almost surely, 2^676831661786 is an apocalyptic number.

676831661786 is a deficient number, since it is larger than the sum of its proper divisors (497187528742).

676831661786 is a wasteful number, since it uses less digits than its factorization.

676831661786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659246.

The product of its digits is 73156608, while the sum is 65.

The spelling of 676831661786 in words is "six hundred seventy-six billion, eight hundred thirty-one million, six hundred sixty-one thousand, seven hundred eighty-six".