478365084831 has 16 divisors (see below), whose sum is σ = 656086757760. Its totient is φ = 309902711520.

The previous prime is 478365084823. The next prime is 478365084833. The reversal of 478365084831 is 138480563874.

It is not a de Polignac number, because 478365084831 - 2³ = 478365084823 is a prime.

It is a super-2 number, since 2×478365084831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478365084833) 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, 15731901 + ... + 15762278.

It is an arithmetic number, because the mean of its divisors is an integer number (41005422360).

Almost surely, 2^478365084831 is an apocalyptic number.

478365084831 is a deficient number, since it is larger than the sum of its proper divisors (177721672929).

478365084831 is a wasteful number, since it uses less digits than its factorization.

478365084831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31494326.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 478365084831 in words is "four hundred seventy-eight billion, three hundred sixty-five million, eighty-four thousand, eight hundred thirty-one".