866486932604 has 12 divisors (see below), whose sum is σ = 1520171661624. Its totient is φ = 432152172144.

The previous prime is 866486932579. The next prime is 866486932613. The reversal of 866486932604 is 406239684668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272821754 + ... + 272824929.

It is an arithmetic number, because the mean of its divisors is an integer number (126680971802).

Almost surely, 2^866486932604 is an apocalyptic number.

It is an amenable number.

866486932604 is a deficient number, since it is larger than the sum of its proper divisors (653684729020).

866486932604 is a wasteful number, since it uses less digits than its factorization.

866486932604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545647084 (or 545647082 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 62.

The spelling of 866486932604 in words is "eight hundred sixty-six billion, four hundred eighty-six million, nine hundred thirty-two thousand, six hundred four".