7870344256 has 56 divisors (see below), whose sum is σ = 16017361920. Its totient is φ = 3834700800.

The previous prime is 7870344253. The next prime is 7870344299. The reversal of 7870344256 is 6524430787.

It is not an unprimeable number, because it can be changed into a prime (7870344253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858885 + ... + 3860923.

It is an arithmetic number, because the mean of its divisors is an integer number (286024320).

Almost surely, 2^7870344256 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 7870344256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8008680960).

7870344256 is an abundant number, since it is smaller than the sum of its proper divisors (8147017664).

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

7870344256 is a wasteful number, since it uses less digits than its factorization.

7870344256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The square root of 7870344256 is about 88714.9607225298. The cubic root of 7870344256 is about 1989.1364531819.

The spelling of 7870344256 in words is "seven billion, eight hundred seventy million, three hundred forty-four thousand, two hundred fifty-six".