896686666 has 4 divisors (see below), whose sum is σ = 1345030002. Its totient is φ = 448343332.

The previous prime is 896686663. The next prime is 896686691. The reversal of 896686666 is 666686698.

896686666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 746109225 + 150577441 = 27315^2 + 12271^2 .

It is not an unprimeable number, because it can be changed into a prime (896686663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224171665 + ... + 224171668.

Almost surely, 2^896686666 is an apocalyptic number.

896686666 is a deficient number, since it is larger than the sum of its proper divisors (448343336).

896686666 is a wasteful number, since it uses less digits than its factorization.

896686666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448343335.

The product of its digits is 26873856, while the sum is 61.

The square root of 896686666 is about 29944.7268479778. The cubic root of 896686666 is about 964.3031170031.

The spelling of 896686666 in words is "eight hundred ninety-six million, six hundred eighty-six thousand, six hundred sixty-six".