677478674366 has 24 divisors (see below), whose sum is σ = 1130830330392. Its totient is φ = 302595922800.

The previous prime is 677478674357. The next prime is 677478674401. The reversal of 677478674366 is 663476874776.

It is a self number, because there is not a number n which added to its sum of digits gives 677478674366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13532180 + ... + 13582151.

It is an arithmetic number, because the mean of its divisors is an integer number (47117930433).

Almost surely, 2^677478674366 is an apocalyptic number.

677478674366 is a deficient number, since it is larger than the sum of its proper divisors (453351656026).

677478674366 is a wasteful number, since it uses less digits than its factorization.

677478674366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27114408 (or 27114377 counting only the distinct ones).

The product of its digits is 1194891264, while the sum is 71.

The spelling of 677478674366 in words is "six hundred seventy-seven billion, four hundred seventy-eight million, six hundred seventy-four thousand, three hundred sixty-six".