870985116 has 96 divisors (see below), whose sum is σ = 2315496960. Its totient is φ = 283046400.

The previous prime is 870985111. The next prime is 870985117. The reversal of 870985116 is 611589078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870985111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 743211 + ... + 744381.

It is an arithmetic number, because the mean of its divisors is an integer number (24119760).

Almost surely, 2^870985116 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 870985116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157748480).

870985116 is an abundant number, since it is smaller than the sum of its proper divisors (1444511844).

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

870985116 is a wasteful number, since it uses less digits than its factorization.

870985116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 870985116 is about 29512.4569631198. The cubic root of 870985116 is about 955.0004535692. Note that the first 3 decimals are identical.

The spelling of 870985116 in words is "eight hundred seventy million, nine hundred eighty-five thousand, one hundred sixteen".