8362857664 has 56 divisors (see below), whose sum is σ = 19079504640. Its totient is φ = 3562588416.

The previous prime is 8362857653. The next prime is 8362857667. The reversal of 8362857664 is 4667582638.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (8362857667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18927 + ... + 130705.

It is an arithmetic number, because the mean of its divisors is an integer number (340705440).

Almost surely, 2^8362857664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8362857664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9539752320).

8362857664 is an abundant number, since it is smaller than the sum of its proper divisors (10716646976).

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

8362857664 is a wasteful number, since it uses less digits than its factorization.

8362857664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111965 (or 111955 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 55.

The square root of 8362857664 is about 91448.6613570696. The cubic root of 8362857664 is about 2029.7921490377.

The spelling of 8362857664 in words is "eight billion, three hundred sixty-two million, eight hundred fifty-seven thousand, six hundred sixty-four".