870027018 has 32 divisors (see below), whose sum is σ = 2021239680. Its totient is φ = 244503360.

The previous prime is 870027001. The next prime is 870027019. The reversal of 870027018 is 810720078.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 870027018.

It is not an unprimeable number, because it can be changed into a prime (870027019) 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 15 ways as a sum of consecutive naturals, for example, 167233 + ... + 172356.

It is an arithmetic number, because the mean of its divisors is an integer number (63163740).

Almost surely, 2^870027018 is an apocalyptic number.

870027018 is an abundant number, since it is smaller than the sum of its proper divisors (1151212662).

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

870027018 is a wasteful number, since it uses less digits than its factorization.

870027018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339662.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 870027018 is about 29496.2204019430. The cubic root of 870027018 is about 954.6501530064.

The spelling of 870027018 in words is "eight hundred seventy million, twenty-seven thousand, eighteen".