866830086 has 24 divisors (see below), whose sum is σ = 1947693384. Its totient is φ = 288943200.

The previous prime is 866830079. The next prime is 866830109. The reversal of 866830086 is 680038668.

866830086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891315 + ... + 892286.

It is an arithmetic number, because the mean of its divisors is an integer number (81153891).

Almost surely, 2^866830086 is an apocalyptic number.

866830086 is an abundant number, since it is smaller than the sum of its proper divisors (1080863298).

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

866830086 is a wasteful number, since it uses less digits than its factorization.

866830086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783618 (or 1783606 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 866830086 is about 29441.9782963034. The cubic root of 866830086 is about 953.4794240665.

The spelling of 866830086 in words is "eight hundred sixty-six million, eight hundred thirty thousand, eighty-six".