47780987228784 has 240 divisors, whose sum is σ = 135799476134400. Its totient is φ = 15681453548544.

The previous prime is 47780987228759. The next prime is 47780987228873. The reversal of 47780987228784 is 48782278908774.

47780987228784 is a `hidden beast` number, since 47 + 78 + 0 + 98 + 72 + 287 + 84 = 666.

It is a congruent number.

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, 1925941372 + ... + 1925966180.

It is an arithmetic number, because the mean of its divisors is an integer number (565831150560).

Almost surely, 2^{47780987228784} 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 47780987228784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67899738067200).

47780987228784 is an abundant number, since it is smaller than the sum of its proper divisors (88018488905616).

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

47780987228784 is a wasteful number, since it uses less digits than its factorization.

47780987228784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25692 (or 25683 counting only the distinct ones).

The product of its (nonzero) digits is 5664669696, while the sum is 81.

The spelling of 47780987228784 in words is "forty-seven trillion, seven hundred eighty billion, nine hundred eighty-seven million, two hundred twenty-eight thousand, seven hundred eighty-four".