866573088 has 48 divisors (see below), whose sum is σ = 2286589536. Its totient is φ = 287354880.

The previous prime is 866573077. The next prime is 866573107. The reversal of 866573088 is 880375668.

866573088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 866573088.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858 + ... + 41913.

It is an arithmetic number, because the mean of its divisors is an integer number (47637282).

Almost surely, 2^866573088 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 866573088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143294768).

866573088 is an abundant number, since it is smaller than the sum of its proper divisors (1420016448).

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

866573088 is a wasteful number, since it uses less digits than its factorization.

866573088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46977 (or 46969 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 866573088 is about 29437.6134902271. The cubic root of 866573088 is about 953.3851854801.

The spelling of 866573088 in words is "eight hundred sixty-six million, five hundred seventy-three thousand, eighty-eight".