870103159128 has 384 divisors, whose sum is σ = 2965248000000. Its totient is φ = 224738654976.

The previous prime is 870103159099. The next prime is 870103159157. The reversal of 870103159128 is 821951301078.

870103159128 is a `hidden beast` number, since 8 + 7 + 0 + 1 + 0 + 31 + 591 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (870103159099) and next prime (870103159157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 96684373 + ... + 96693371.

It is an arithmetic number, because the mean of its divisors is an integer number (7722000000).

Almost surely, 2^870103159128 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 870103159128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482624000000).

870103159128 is an abundant number, since it is smaller than the sum of its proper divisors (2095144840872).

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

870103159128 is a wasteful number, since it uses less digits than its factorization.

870103159128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499 (or 9492 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 870103159128 in words is "eight hundred seventy billion, one hundred three million, one hundred fifty-nine thousand, one hundred twenty-eight".