477386808971 has 4 divisors (see below), whose sum is σ = 477388902552. Its totient is φ = 477384715392.

The previous prime is 477386808961. The next prime is 477386809001. The reversal of 477386808971 is 179808683774.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477386808971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477386808901) 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, 656165 + ... + 1176998.

It is an arithmetic number, because the mean of its divisors is an integer number (119347225638).

Almost surely, 2^477386808971 is an apocalyptic number.

477386808971 is a deficient number, since it is larger than the sum of its proper divisors (2093581).

477386808971 is a wasteful number, since it uses less digits than its factorization.

477386808971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093580.

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 477386808971 in words is "four hundred seventy-seven billion, three hundred eighty-six million, eight hundred eight thousand, nine hundred seventy-one".