870152822856 has 256 divisors, whose sum is σ = 2618614656000. Its totient is φ = 266681180160.

The previous prime is 870152822723. The next prime is 870152822863. The reversal of 870152822856 is 658228251078.

870152822856 is a `hidden beast` number, since 8 + 70 + 15 + 282 + 285 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98195866 + ... + 98204726.

It is an arithmetic number, because the mean of its divisors is an integer number (10228963500).

Almost surely, 2^870152822856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870152822856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309307328000).

870152822856 is an abundant number, since it is smaller than the sum of its proper divisors (1748461833144).

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

870152822856 is a wasteful number, since it uses less digits than its factorization.

870152822856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9509 (or 9499 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 870152822856 in words is "eight hundred seventy billion, one hundred fifty-two million, eight hundred twenty-two thousand, eight hundred fifty-six".