870323370 has 64 divisors (see below), whose sum is σ = 2393245440. Its totient is φ = 198425088.

The previous prime is 870323369. The next prime is 870323371. The reversal of 870323370 is 73323078.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (870323369) and next prime (870323371).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (870323371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80824 + ... + 90956.

It is an arithmetic number, because the mean of its divisors is an integer number (37394460).

Almost surely, 2^870323370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870323370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196622720).

870323370 is an abundant number, since it is smaller than the sum of its proper divisors (1522922070).

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

870323370 is a wasteful number, since it uses less digits than its factorization.

870323370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 870323370 is about 29501.2435331123. The cubic root of 870323370 is about 954.7585329227.

The spelling of 870323370 in words is "eight hundred seventy million, three hundred twenty-three thousand, three hundred seventy".