8426666204 has 24 divisors (see below), whose sum is σ = 16479647856. Its totient is φ = 3736880000.

The previous prime is 8426666203. The next prime is 8426666249. The reversal of 8426666204 is 4026666248.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426666203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333747 + ... + 2337354.

It is an arithmetic number, because the mean of its divisors is an integer number (686651994).

Almost surely, 2^8426666204 is an apocalyptic number.

It is an amenable number.

8426666204 is a deficient number, since it is larger than the sum of its proper divisors (8052981652).

8426666204 is a wasteful number, since it uses less digits than its factorization.

8426666204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671157 (or 4671155 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The square root of 8426666204 is about 91796.8746962553. The cubic root of 8426666204 is about 2034.9415074938.

Adding to 8426666204 its sum of digits (44), we get a palindrome (8426666248).

The spelling of 8426666204 in words is "eight billion, four hundred twenty-six million, six hundred sixty-six thousand, two hundred four".