47789355840 has 224 divisors, whose sum is σ = 158977437696. Its totient is φ = 12139776000.

The previous prime is 47789355821. The next prime is 47789355847. The reversal of 47789355840 is 4855398774.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47789355847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5537769 + ... + 5546391.

It is an arithmetic number, because the mean of its divisors is an integer number (709720704).

Almost surely, 2^47789355840 is an apocalyptic number.

47789355840 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 47789355840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79488718848).

47789355840 is an abundant number, since it is smaller than the sum of its proper divisors (111188081856).

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

47789355840 is a wasteful number, since it uses less digits than its factorization.

47789355840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8917 (or 8907 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 47789355840 in words is "forty-seven billion, seven hundred eighty-nine million, three hundred fifty-five thousand, eight hundred forty".