866084468 has 6 divisors (see below), whose sum is σ = 1515647826. Its totient is φ = 433042232.

The previous prime is 866084447. The next prime is 866084477. The reversal of 866084468 is 864480668.

It can be written as a sum of positive squares in only one way, i.e., 866007184 + 77284 = 29428^2 + 278^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108260555 + ... + 108260562.

It is an arithmetic number, because the mean of its divisors is an integer number (252607971).

Almost surely, 2^866084468 is an apocalyptic number.

It is an amenable number.

866084468 is a deficient number, since it is larger than the sum of its proper divisors (649563358).

866084468 is a wasteful number, since it uses less digits than its factorization.

866084468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216521121 (or 216521119 counting only the distinct ones).

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

The square root of 866084468 is about 29429.3130738725. The cubic root of 866084468 is about 953.2059620313.

The spelling of 866084468 in words is "eight hundred sixty-six million, eighty-four thousand, four hundred sixty-eight".