4847621856 has 384 divisors, whose sum is σ = 16503201792. Its totient is φ = 1209600000.

The previous prime is 4847621819. The next prime is 4847621951. The reversal of 4847621856 is 6581267484.

It is a junction number, because it is equal to n+sod(n) for n = 4847621799 and 4847621808.

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, 32103381 + ... + 32103531.

It is an arithmetic number, because the mean of its divisors is an integer number (42977088).

Almost surely, 2^4847621856 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 4847621856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8251600896).

4847621856 is an abundant number, since it is smaller than the sum of its proper divisors (11655579936).

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

4847621856 is a wasteful number, since it uses less digits than its factorization.

4847621856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 318 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 4847621856 is about 69624.8652135141. The cubic root of 4847621856 is about 1692.4255701760.

The spelling of 4847621856 in words is "four billion, eight hundred forty-seven million, six hundred twenty-one thousand, eight hundred fifty-six".