870840670 has 16 divisors (see below), whose sum is σ = 1791443808. Its totient is φ = 298573920.

The previous prime is 870840629. The next prime is 870840749. The reversal of 870840670 is 76048078.

It is a super-3 number, since 3×870840670³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 6220221 + ... + 6220360.

It is an arithmetic number, because the mean of its divisors is an integer number (111965238).

Almost surely, 2^870840670 is an apocalyptic number.

870840670 is an abundant number, since it is smaller than the sum of its proper divisors (920603138).

870840670 is a wasteful number, since it uses less digits than its factorization.

870840670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440595.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 870840670 is about 29510.0096577416. The cubic root of 870840670 is about 954.9476575572.

The spelling of 870840670 in words is "eight hundred seventy million, eight hundred forty thousand, six hundred seventy".