479284231881 has 16 divisors (see below), whose sum is σ = 786517714304. Its totient is φ = 252809265024.

The previous prime is 479284231873. The next prime is 479284231883. The reversal of 479284231881 is 188132482974.

It is not a de Polignac number, because 479284231881 - 2³ = 479284231873 is a prime.

It is a super-2 number, since 2×479284231881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (479284231883) 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, 877809676 + ... + 877810221.

It is an arithmetic number, because the mean of its divisors is an integer number (49157357144).

Almost surely, 2^479284231881 is an apocalyptic number.

It is an amenable number.

479284231881 is a deficient number, since it is larger than the sum of its proper divisors (307233482423).

479284231881 is a wasteful number, since it uses less digits than its factorization.

479284231881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755619920.

The product of its digits is 6193152, while the sum is 57.

The spelling of 479284231881 in words is "four hundred seventy-nine billion, two hundred eighty-four million, two hundred thirty-one thousand, eight hundred eighty-one".