479791721887884 has 288 divisors, whose sum is σ = 1506637186396160. Its totient is φ = 125632701388800.

The previous prime is 479791721887873. The next prime is 479791721887901. The reversal of 479791721887884 is 488788127197974.

It is a junction number, because it is equal to n+sod(n) for n = 479791721887794 and 479791721887803.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 402089424 + ... + 403280904.

Almost surely, 2^{479791721887884} 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 479791721887884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753318593198080).

479791721887884 is an abundant number, since it is smaller than the sum of its proper divisors (1026845464508276).

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

479791721887884 is a wasteful number, since it uses less digits than its factorization.

479791721887884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194261 (or 1194256 counting only the distinct ones).

The product of its digits is 25491013632, while the sum is 90.

The spelling of 479791721887884 in words is "four hundred seventy-nine trillion, seven hundred ninety-one billion, seven hundred twenty-one million, eight hundred eighty-seven thousand, eight hundred eighty-four".