870325560 has 160 divisors (see below), whose sum is σ = 3150433440. Its totient is φ = 214223616.

The previous prime is 870325553. The next prime is 870325567. The reversal of 870325560 is 65523078.

870325560 is a `hidden beast` number, since 8 + 70 + 3 + 25 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (870325553) and next prime (870325567).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870325567) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31789 + ... + 52451.

It is an arithmetic number, because the mean of its divisors is an integer number (19690209).

Almost surely, 2^870325560 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 870325560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575216720).

870325560 is an abundant number, since it is smaller than the sum of its proper divisors (2280107880).

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

870325560 is a wasteful number, since it uses less digits than its factorization.

870325560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20699 (or 20686 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 870325560 is about 29501.2806501684. The cubic root of 870325560 is about 954.7593337436.

The spelling of 870325560 in words is "eight hundred seventy million, three hundred twenty-five thousand, five hundred sixty".