870678263327856 has 20 divisors (see below), whose sum is σ = 2249252180263752. Its totient is φ = 290226087775936.

The previous prime is 870678263327813. The next prime is 870678263327921. The reversal of 870678263327856 is 658723362876078.

It is a super-2 number, since 2×870678263327856² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9069565242951 + ... + 9069565243046.

Almost surely, 2^{870678263327856} is an apocalyptic number.

It is an amenable number.

870678263327856 is an abundant number, since it is smaller than the sum of its proper divisors (1378573916935896).

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

870678263327856 is a wasteful number, since it uses less digits than its factorization.

870678263327856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18139130486008 (or 18139130486002 counting only the distinct ones).

The product of its (nonzero) digits is 6827950080, while the sum is 78.

The spelling of 870678263327856 in words is "eight hundred seventy trillion, six hundred seventy-eight billion, two hundred sixty-three million, three hundred twenty-seven thousand, eight hundred fifty-six".