858869676 has 96 divisors (see below), whose sum is σ = 2580802560. Its totient is φ = 241920000.

The previous prime is 858869651. The next prime is 858869677. The reversal of 858869676 is 676968858.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (858869677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45676 + ... + 61676.

It is an arithmetic number, because the mean of its divisors is an integer number (26883360).

Almost surely, 2^858869676 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 858869676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290401280).

858869676 is an abundant number, since it is smaller than the sum of its proper divisors (1721932884).

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

858869676 is a wasteful number, since it uses less digits than its factorization.

858869676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16092 (or 16084 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The square root of 858869676 is about 29306.4783964229. The cubic root of 858869676 is about 950.5517297417.

The spelling of 858869676 in words is "eight hundred fifty-eight million, eight hundred sixty-nine thousand, six hundred seventy-six".