8890243668 has 48 divisors (see below), whose sum is σ = 23392810560. Its totient is φ = 2919182112.

The previous prime is 8890243631. The next prime is 8890243669. The reversal of 8890243668 is 8663420988.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8890243669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607071 + ... + 621542.

It is an arithmetic number, because the mean of its divisors is an integer number (487350220).

Almost surely, 2^8890243668 is an apocalyptic number.

It is an amenable number.

8890243668 is an abundant number, since it is smaller than the sum of its proper divisors (14502566892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8890243668 is a wasteful number, since it uses less digits than its factorization.

8890243668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228693 (or 1228685 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 8890243668 is about 94288.0886856871. The cubic root of 8890243668 is about 2071.5935722987.

The spelling of 8890243668 in words is "eight billion, eight hundred ninety million, two hundred forty-three thousand, six hundred sixty-eight".