870640844736170 has 32 divisors (see below), whose sum is σ = 1584778296778560. Its totient is φ = 344339801491840.

The previous prime is 870640844736097. The next prime is 870640844736239. The reversal of 870640844736170 is 71637448046078.

It is a junction number, because it is equal to n+sod(n) for n = 870640844736097 and 870640844736106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82344665 + ... + 92314275.

It is an arithmetic number, because the mean of its divisors is an integer number (49524321774330).

Almost surely, 2^{870640844736170} is an apocalyptic number.

870640844736170 is a deficient number, since it is larger than the sum of its proper divisors (714137452042390).

870640844736170 is a wasteful number, since it uses less digits than its factorization.

870640844736170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067830.

The product of its (nonzero) digits is 151732224, while the sum is 65.

The spelling of 870640844736170 in words is "eight hundred seventy trillion, six hundred forty billion, eight hundred forty-four million, seven hundred thirty-six thousand, one hundred seventy".