479267387820 has 144 divisors (see below), whose sum is σ = 1566489873312. Its totient is φ = 117906969600.

The previous prime is 479267387759. The next prime is 479267387839. The reversal of 479267387820 is 28783762974.

479267387820 is a `hidden beast` number, since 479 + 2 + 6 + 7 + 3 + 87 + 82 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4157479 + ... + 4271201.

It is an arithmetic number, because the mean of its divisors is an integer number (10878401898).

Almost surely, 2^479267387820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479267387820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783244936656).

479267387820 is an abundant number, since it is smaller than the sum of its proper divisors (1087222485492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479267387820 is a wasteful number, since it uses less digits than its factorization.

479267387820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115552 (or 115547 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 479267387820 in words is "four hundred seventy-nine billion, two hundred sixty-seven million, three hundred eighty-seven thousand, eight hundred twenty".