866084486 has 24 divisors (see below), whose sum is σ = 1373703120. Its totient is φ = 409472496.

The previous prime is 866084477. The next prime is 866084489. The reversal of 866084486 is 684480668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866084489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 597815 + ... + 599261.

It is an arithmetic number, because the mean of its divisors is an integer number (57237630).

Almost surely, 2^866084486 is an apocalyptic number.

866084486 is a deficient number, since it is larger than the sum of its proper divisors (507618634).

866084486 is a wasteful number, since it uses less digits than its factorization.

866084486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 866084486 is about 29429.3133796900. The cubic root of 866084486 is about 953.2059686349.

The spelling of 866084486 in words is "eight hundred sixty-six million, eighty-four thousand, four hundred eighty-six".