477823871 has 16 divisors (see below), whose sum is σ = 550118400. Its totient is φ = 406552608.

The previous prime is 477823867. The next prime is 477823889. The reversal of 477823871 is 178328774.

It is not a de Polignac number, because 477823871 - 2² = 477823867 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 (477823771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031786 + ... + 1032248.

It is an arithmetic number, because the mean of its divisors is an integer number (34382400).

Almost surely, 2^477823871 is an apocalyptic number.

477823871 is a deficient number, since it is larger than the sum of its proper divisors (72294529).

477823871 is a wasteful number, since it uses less digits than its factorization.

477823871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238.

The product of its digits is 526848, while the sum is 47.

The square root of 477823871 is about 21859.1827614849. The cubic root of 477823871 is about 781.7885054787.

The spelling of 477823871 in words is "four hundred seventy-seven million, eight hundred twenty-three thousand, eight hundred seventy-one".