8351788668 has 24 divisors (see below), whose sum is σ = 19493279568. Its totient is φ = 2783104896.

The previous prime is 8351788639. The next prime is 8351788673. The reversal of 8351788668 is 8668871538.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60171 + ... + 142562.

It is an arithmetic number, because the mean of its divisors is an integer number (812219982).

Almost surely, 2^8351788668 is an apocalyptic number.

It is an amenable number.

8351788668 is an abundant number, since it is smaller than the sum of its proper divisors (11141490900).

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

8351788668 is a wasteful number, since it uses less digits than its factorization.

8351788668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206173 (or 206171 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The square root of 8351788668 is about 91388.1210442583. The cubic root of 8351788668 is about 2028.8962160094.

The spelling of 8351788668 in words is "eight billion, three hundred fifty-one million, seven hundred eighty-eight thousand, six hundred sixty-eight".