875642660 has 48 divisors (see below), whose sum is σ = 1923578496. Its totient is φ = 334194432.

The previous prime is 875642657. The next prime is 875642689. The reversal of 875642660 is 66246578.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201632 + ... + 205928.

It is an arithmetic number, because the mean of its divisors is an integer number (40074552).

Almost surely, 2^875642660 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 875642660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961789248).

875642660 is an abundant number, since it is smaller than the sum of its proper divisors (1047935836).

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

875642660 is a wasteful number, since it uses less digits than its factorization.

875642660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 875642660 is about 29591.2598582757. The cubic root of 875642660 is about 956.6996987196.

The spelling of 875642660 in words is "eight hundred seventy-five million, six hundred forty-two thousand, six hundred sixty".