8676400666 has 8 divisors (see below), whose sum is σ = 13016682144. Its totient is φ = 4337506620.

The previous prime is 8676400661. The next prime is 8676400679. The reversal of 8676400666 is 6660046768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8676400661) 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, 331080 + ... + 356323.

It is an arithmetic number, because the mean of its divisors is an integer number (1627085268).

Almost surely, 2^8676400666 is an apocalyptic number.

8676400666 is a deficient number, since it is larger than the sum of its proper divisors (4340281478).

8676400666 is a wasteful number, since it uses less digits than its factorization.

8676400666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693716.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The square root of 8676400666 is about 93147.1989165536. The cubic root of 8676400666 is about 2054.8487774380.

The spelling of 8676400666 in words is "eight billion, six hundred seventy-six million, four hundred thousand, six hundred sixty-six".