477685674 has 20 divisors (see below), whose sum is σ = 1070370114. Its totient is φ = 159228504.

The previous prime is 477685639. The next prime is 477685687. The reversal of 477685674 is 476586774.

477685674 is a `hidden beast` number, since 4 + 7 + 76 + 8 + 567 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 401000625 + 76685049 = 20025^2 + 8757^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 477685674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1474177 + ... + 1474500.

Almost surely, 2^477685674 is an apocalyptic number.

477685674 is an abundant number, since it is smaller than the sum of its proper divisors (592684440).

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

477685674 is a wasteful number, since it uses less digits than its factorization.

477685674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948691 (or 2948682 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The square root of 477685674 is about 21856.0214586278. The cubic root of 477685674 is about 781.7131281620.

The spelling of 477685674 in words is "four hundred seventy-seven million, six hundred eighty-five thousand, six hundred seventy-four".