870086536 has 64 divisors (see below), whose sum is σ = 1848096000. Its totient is φ = 380405760.

The previous prime is 870086509. The next prime is 870086587. The reversal of 870086536 is 635680078.

It is a junction number, because it is equal to n+sod(n) for n = 870086492 and 870086501.

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 15 ways as a sum of consecutive naturals, for example, 936120 + ... + 937048.

It is an arithmetic number, because the mean of its divisors is an integer number (28876500).

Almost surely, 2^870086536 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 870086536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924048000).

870086536 is an abundant number, since it is smaller than the sum of its proper divisors (978009464).

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

870086536 is a wasteful number, since it uses less digits than its factorization.

870086536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 870086536 is about 29497.2292936133. The cubic root of 870086536 is about 954.6719215152.

The spelling of 870086536 in words is "eight hundred seventy million, eighty-six thousand, five hundred thirty-six".