876858660 has 72 divisors (see below), whose sum is σ = 2687278776. Its totient is φ = 231413760.

The previous prime is 876858629. The next prime is 876858667. The reversal of 876858660 is 66858678.

It can be written as a sum of positive squares in 4 ways, for example, as 8259876 + 868598784 = 2874^2 + 29472^2 .

It is a super-2 number, since 2×876858660² = 1537762219233991200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 876858597 and 876858606.

It is not an unprimeable number, because it can be changed into a prime (876858667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7651 + ... + 42570.

Almost surely, 2^876858660 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 876858660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343639388).

876858660 is an abundant number, since it is smaller than the sum of its proper divisors (1810420116).

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

876858660 is a wasteful number, since it uses less digits than its factorization.

876858660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50333 (or 50328 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 876858660 is about 29611.7993374263. The cubic root of 876858660 is about 957.1423483645.

The spelling of 876858660 in words is "eight hundred seventy-six million, eight hundred fifty-eight thousand, six hundred sixty".