870287109120 has 1584 divisors, whose sum is σ = 3771599596128. Its totient is φ = 182892625920.

The previous prime is 870287109119. The next prime is 870287109217. The reversal of 870287109120 is 21901782078.

It is a tau number, because it is divible by the number of its divisors (1584).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1904347932 + ... + 1904348388.

Almost surely, 2^870287109120 is an apocalyptic number.

870287109120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870287109120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885799798064).

870287109120 is an abundant number, since it is smaller than the sum of its proper divisors (2901312487008).

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

870287109120 is a wasteful number, since it uses less digits than its factorization.

870287109120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 870287109120 in words is "eight hundred seventy billion, two hundred eighty-seven million, one hundred nine thousand, one hundred twenty".