677386404 has 36 divisors (see below), whose sum is σ = 1802404240. Its totient is φ = 213911280.

The previous prime is 677386373. The next prime is 677386429. The reversal of 677386404 is 404683776.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 677386404.

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, 494482 + ... + 495849.

Almost surely, 2^677386404 is an apocalyptic number.

It is an amenable number.

677386404 is an abundant number, since it is smaller than the sum of its proper divisors (1125017836).

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

677386404 is a wasteful number, since it uses less digits than its factorization.

677386404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990360 (or 990355 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 677386404 is about 26026.6479593512. The cubic root of 677386404 is about 878.2378667233.

The spelling of 677386404 in words is "six hundred seventy-seven million, three hundred eighty-six thousand, four hundred four".