8306887644 has 108 divisors (see below), whose sum is σ = 24084195408. Its totient is φ = 2407764480.

The previous prime is 8306887643. The next prime is 8306887661. The reversal of 8306887644 is 4467886038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8306887643) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58732 + ... + 141644.

Almost surely, 2^8306887644 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 8306887644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12042097704).

8306887644 is an abundant number, since it is smaller than the sum of its proper divisors (15777307764).

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

8306887644 is a wasteful number, since it uses less digits than its factorization.

8306887644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82968 (or 82952 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The square root of 8306887644 is about 91142.1288098978. The cubic root of 8306887644 is about 2025.2537521974.

The spelling of 8306887644 in words is "eight billion, three hundred six million, eight hundred eighty-seven thousand, six hundred forty-four".