866604467 has 4 divisors (see below), whose sum is σ = 866679360. Its totient is φ = 866529576.

The previous prime is 866604457. The next prime is 866604469. The reversal of 866604467 is 764406668.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 866604467 - 2¹⁰ = 866603443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866604469) 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, 15992 + ... + 44597.

It is an arithmetic number, because the mean of its divisors is an integer number (216669840).

Almost surely, 2^866604467 is an apocalyptic number.

866604467 is a deficient number, since it is larger than the sum of its proper divisors (74893).

866604467 is a wasteful number, since it uses less digits than its factorization.

866604467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74892.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 866604467 is about 29438.1464599930. The cubic root of 866604467 is about 953.3966928429.

The spelling of 866604467 in words is "eight hundred sixty-six million, six hundred four thousand, four hundred sixty-seven".