870685586078 has 128 divisors (see below), whose sum is σ = 1774982108160. Its totient is φ = 310137984000.

The previous prime is 870685586047. The next prime is 870685586083.

870685586078 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 870685585999 and 870685586017.

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 63 ways as a sum of consecutive naturals, for example, 9413738 + ... + 9505778.

It is an arithmetic number, because the mean of its divisors is an integer number (13867047720).

Almost surely, 2^870685586078 is an apocalyptic number.

870685586078 is an abundant number, since it is smaller than the sum of its proper divisors (904296522082).

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

870685586078 is a wasteful number, since it uses less digits than its factorization.

870685586078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92194.

The product of its (nonzero) digits is 180633600, while the sum is 68.

The spelling of 870685586078 in words is "eight hundred seventy billion, six hundred eighty-five million, five hundred eighty-six thousand, seventy-eight".