868856170 has 64 divisors (see below), whose sum is σ = 1936327680. Its totient is φ = 273339648.

The previous prime is 868856167. The next prime is 868856173. The reversal of 868856170 is 71658868.

It is an interprime number because it is at equal distance from previous prime (868856167) and next prime (868856173).

It is a super-2 number, since 2×868856170² = 1509822088294137800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (868856173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154671 + ... + 160189.

It is an arithmetic number, because the mean of its divisors is an integer number (30255120).

Almost surely, 2^868856170 is an apocalyptic number.

868856170 is an abundant number, since it is smaller than the sum of its proper divisors (1067471510).

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

868856170 is a wasteful number, since it uses less digits than its factorization.

868856170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 868856170 is about 29476.3662957292. The cubic root of 868856170 is about 954.2217172673.

The spelling of 868856170 in words is "eight hundred sixty-eight million, eight hundred fifty-six thousand, one hundred seventy".