8684415632 has 80 divisors (see below), whose sum is σ = 17939856240. Its totient is φ = 4064772096.

The previous prime is 8684415631. The next prime is 8684415653. The reversal of 8684415632 is 2365144868.

It can be written as a sum of positive squares in 8 ways, for example, as 1149481216 + 7534934416 = 33904^2 + 86804^2 .

It is not an unprimeable number, because it can be changed into a prime (8684415631) 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, 6059588 + ... + 6061020.

It is an arithmetic number, because the mean of its divisors is an integer number (224248203).

Almost surely, 2^8684415632 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 8684415632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8969928120).

8684415632 is an abundant number, since it is smaller than the sum of its proper divisors (9255440608).

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

8684415632 is a wasteful number, since it uses less digits than its factorization.

8684415632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1854 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 8684415632 is about 93190.2121040617. The cubic root of 8684415632 is about 2055.4813160135.

The spelling of 8684415632 in words is "eight billion, six hundred eighty-four million, four hundred fifteen thousand, six hundred thirty-two".