8270517056 has 56 divisors (see below), whose sum is σ = 17214226176. Its totient is φ = 3937835520.

The previous prime is 8270517053. The next prime is 8270517071. The reversal of 8270517056 is 6507150728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8270517053) 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, 74141 + ... + 148451.

It is an arithmetic number, because the mean of its divisors is an integer number (307396896).

Almost surely, 2^8270517056 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 8270517056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8607113088).

8270517056 is an abundant number, since it is smaller than the sum of its proper divisors (8943709120).

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

8270517056 is a wasteful number, since it uses less digits than its factorization.

8270517056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74407 (or 74397 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 8270517056 is about 90942.3831664862. The cubic root of 8270517056 is about 2022.2936609969.

The spelling of 8270517056 in words is "eight billion, two hundred seventy million, five hundred seventeen thousand, fifty-six".