873870660 has 192 divisors, whose sum is σ = 2944892160. Its totient is φ = 213857280.

The previous prime is 873870631. The next prime is 873870779. The reversal of 873870660 is 66078378.

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 63 ways as a sum of consecutive naturals, for example, 1972399 + ... + 1972841.

It is an arithmetic number, because the mean of its divisors is an integer number (15337980).

Almost surely, 2^873870660 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 873870660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472446080).

873870660 is an abundant number, since it is smaller than the sum of its proper divisors (2071021500).

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

873870660 is a wasteful number, since it uses less digits than its factorization.

873870660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 873870660 is about 29561.3034218723. The cubic root of 873870660 is about 956.0539190424.

The spelling of 873870660 in words is "eight hundred seventy-three million, eight hundred seventy thousand, six hundred sixty".