870943818 has 16 divisors (see below), whose sum is σ = 1742311296. Its totient is φ = 290244000.

The previous prime is 870943807. The next prime is 870943849. The reversal of 870943818 is 818349078.

870943818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×870943818² = 1517086268224834248, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13230 + ... + 43782.

It is an arithmetic number, because the mean of its divisors is an integer number (108894456).

Almost surely, 2^870943818 is an apocalyptic number.

870943818 is an abundant number, since it is smaller than the sum of its proper divisors (871367478).

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

870943818 is a wasteful number, since it uses less digits than its factorization.

870943818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35309.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 870943818 is about 29511.7572841740. The cubic root of 870943818 is about 954.9853594605.

The spelling of 870943818 in words is "eight hundred seventy million, nine hundred forty-three thousand, eight hundred eighteen".