823668224866 has 8 divisors (see below), whose sum is σ = 1235534118480. Its totient is φ = 411823518708.

The previous prime is 823668224861. The next prime is 823668224879. The reversal of 823668224866 is 668422866328.

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 (823668224861) 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, 5199316 + ... + 5355391.

It is an arithmetic number, because the mean of its divisors is an integer number (154441764810).

Almost surely, 2^823668224866 is an apocalyptic number.

823668224866 is a deficient number, since it is larger than the sum of its proper divisors (411865893614).

823668224866 is a wasteful number, since it uses less digits than its factorization.

823668224866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593728.

The product of its digits is 63700992, while the sum is 61.

The spelling of 823668224866 in words is "eight hundred twenty-three billion, six hundred sixty-eight million, two hundred twenty-four thousand, eight hundred sixty-six".