866084485 has 8 divisors (see below), whose sum is σ = 1187773056. Its totient is φ = 593886480.

The previous prime is 866084477. The next prime is 866084489. The reversal of 866084485 is 584480668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 866084485 - 2³ = 866084477 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 12372601 + ... + 12372670.

It is an arithmetic number, because the mean of its divisors is an integer number (148471632).

Almost surely, 2^866084485 is an apocalyptic number.

It is an amenable number.

866084485 is a deficient number, since it is larger than the sum of its proper divisors (321688571).

866084485 is a wasteful number, since it uses less digits than its factorization.

866084485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24745283.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The square root of 866084485 is about 29429.3133627001. The cubic root of 866084485 is about 953.2059682680.

The spelling of 866084485 in words is "eight hundred sixty-six million, eighty-four thousand, four hundred eighty-five".