866084484 has 12 divisors (see below), whose sum is σ = 2020863824. Its totient is φ = 288694824.

The previous prime is 866084477. The next prime is 866084489. The reversal of 866084484 is 484480668.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36086842 + ... + 36086865.

Almost surely, 2^866084484 is an apocalyptic number.

It is an amenable number.

866084484 is an abundant number, since it is smaller than the sum of its proper divisors (1154779340).

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

866084484 is a wasteful number, since it uses less digits than its factorization.

866084484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72173714 (or 72173712 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The square root of 866084484 is about 29429.3133457103. The cubic root of 866084484 is about 953.2059679011.

The spelling of 866084484 in words is "eight hundred sixty-six million, eighty-four thousand, four hundred eighty-four".