8354989688 has 8 divisors (see below), whose sum is σ = 15665605680. Its totient is φ = 4177494840.

The previous prime is 8354989679. The next prime is 8354989691. The reversal of 8354989688 is 8869894538.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522186848 + ... + 522186863.

It is an arithmetic number, because the mean of its divisors is an integer number (1958200710).

Almost surely, 2^8354989688 is an apocalyptic number.

It is an amenable number.

8354989688 is a deficient number, since it is larger than the sum of its proper divisors (7310615992).

8354989688 is a wasteful number, since it uses less digits than its factorization.

8354989688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044373717 (or 1044373713 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 68.

The square root of 8354989688 is about 91405.6326929583. The cubic root of 8354989688 is about 2029.1553903441.

The spelling of 8354989688 in words is "eight billion, three hundred fifty-four million, nine hundred eighty-nine thousand, six hundred eighty-eight".