870637093144 has 96 divisors (see below), whose sum is σ = 2033072874720. Its totient is φ = 342233468928.

The previous prime is 870637093133. The next prime is 870637093147. The reversal of 870637093144 is 441390736078.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 870637093091 and 870637093100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870637093147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1192872 + ... + 1778824.

It is an arithmetic number, because the mean of its divisors is an integer number (21177842445).

Almost surely, 2^870637093144 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 870637093144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016536437360).

870637093144 is an abundant number, since it is smaller than the sum of its proper divisors (1162435781576).

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

870637093144 is a wasteful number, since it uses less digits than its factorization.

870637093144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586149 (or 586132 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 870637093144 in words is "eight hundred seventy billion, six hundred thirty-seven million, ninety-three thousand, one hundred forty-four".