477854474647 has 4 divisors (see below), whose sum is σ = 521295790536. Its totient is φ = 434413158760.

The previous prime is 477854474627. The next prime is 477854474659. The reversal of 477854474647 is 746474458774.

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

It is a cyclic number.

It is not a de Polignac number, because 477854474647 - 2¹⁵ = 477854441879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477854474627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21720657928 + ... + 21720657949.

It is an arithmetic number, because the mean of its divisors is an integer number (130323947634).

Almost surely, 2^477854474647 is an apocalyptic number.

477854474647 is a deficient number, since it is larger than the sum of its proper divisors (43441315889).

477854474647 is a wasteful number, since it uses less digits than its factorization.

477854474647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43441315888.

The product of its digits is 590069760, while the sum is 67.

The spelling of 477854474647 in words is "four hundred seventy-seven billion, eight hundred fifty-four million, four hundred seventy-four thousand, six hundred forty-seven".