477085647 has 4 divisors (see below), whose sum is σ = 636114200. Its totient is φ = 318057096.

The previous prime is 477085639. The next prime is 477085667. The reversal of 477085647 is 746580774.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 477085647 - 2³ = 477085639 is a prime.

It is a super-2 number, since 2×477085647² = 455221429146817218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477085596 and 477085605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477085667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79514272 + ... + 79514277.

It is an arithmetic number, because the mean of its divisors is an integer number (159028550).

Almost surely, 2^477085647 is an apocalyptic number.

477085647 is a deficient number, since it is larger than the sum of its proper divisors (159028553).

477085647 is a wasteful number, since it uses less digits than its factorization.

477085647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159028552.

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 477085647 is about 21842.2903332045. The cubic root of 477085647 is about 781.3856844484.

The spelling of 477085647 in words is "four hundred seventy-seven million, eighty-five thousand, six hundred forty-seven".