447765454877880 has 256 divisors, whose sum is σ = 1424742550640640. Its totient is φ = 112335308236800.

The previous prime is 447765454877879. The next prime is 447765454877899. The reversal of 447765454877880 is 88778454567744.

It is a junction number, because it is equal to n+sod(n) for n = 447765454877793 and 447765454877802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5093351125 + ... + 5093439035.

It is an arithmetic number, because the mean of its divisors is an integer number (5565400588440).

Almost surely, 2^{447765454877880} is an apocalyptic number.

447765454877880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447765454877880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712371275320320).

447765454877880 is an abundant number, since it is smaller than the sum of its proper divisors (976977095762760).

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

447765454877880 is a wasteful number, since it uses less digits than its factorization.

447765454877880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118262 (or 118258 counting only the distinct ones).

The product of its (nonzero) digits is 47205580800, while the sum is 84.

The spelling of 447765454877880 in words is "four hundred forty-seven trillion, seven hundred sixty-five billion, four hundred fifty-four million, eight hundred seventy-seven thousand, eight hundred eighty".