870895080 has 144 divisors (see below), whose sum is σ = 3111266340. Its totient is φ = 211115520.

The previous prime is 870895033. The next prime is 870895097. The reversal of 870895080 is 80598078.

It can be written as a sum of positive squares in 2 ways, for example, as 870368004 + 527076 = 29502^2 + 726^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33564 + ... + 53556.

Almost surely, 2^870895080 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 870895080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555633170).

870895080 is an abundant number, since it is smaller than the sum of its proper divisors (2240371260).

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

870895080 is a wasteful number, since it uses less digits than its factorization.

870895080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20032 (or 20014 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 870895080 is about 29510.9315339248. The cubic root of 870895080 is about 954.9675454738.

The spelling of 870895080 in words is "eight hundred seventy million, eight hundred ninety-five thousand, eighty".