2715947856 has 120 divisors (see below), whose sum is σ = 8038012320. Its totient is φ = 853694208.

The previous prime is 2715947809. The next prime is 2715947879. The reversal of 2715947856 is 6587495172.

2715947856 is a `hidden beast` number, since 2 + 71 + 59 + 478 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618886 + ... + 623258.

It is an arithmetic number, because the mean of its divisors is an integer number (66983436).

Almost surely, 2^2715947856 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 2715947856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4019006160).

2715947856 is an abundant number, since it is smaller than the sum of its proper divisors (5322064464).

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

2715947856 is a wasteful number, since it uses less digits than its factorization.

2715947856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4624 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 2715947856 is about 52114.7566050154. The cubic root of 2715947856 is about 1395.2128769056.

The spelling of 2715947856 in words is "two billion, seven hundred fifteen million, nine hundred forty-seven thousand, eight hundred fifty-six".