866675928 has 96 divisors (see below), whose sum is σ = 2284297200. Its totient is φ = 273911040.

The previous prime is 866675923. The next prime is 866675939. The reversal of 866675928 is 829576668.

866675928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×866675928² = 1502254328349322368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866675921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1222038 + ... + 1222746.

Almost surely, 2^866675928 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 866675928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142148600).

866675928 is an abundant number, since it is smaller than the sum of its proper divisors (1417621272).

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

866675928 is a wasteful number, since it uses less digits than its factorization.

866675928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 798 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 866675928 is about 29439.3601832649. The cubic root of 866675928 is about 953.4228981115.

The spelling of 866675928 in words is "eight hundred sixty-six million, six hundred seventy-five thousand, nine hundred twenty-eight".