8347914872 has 128 divisors (see below), whose sum is σ = 18442183680. Its totient is φ = 3529715200.

The previous prime is 8347914847. The next prime is 8347914881. The reversal of 8347914872 is 2784197438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19368497 + ... + 19368927.

It is an arithmetic number, because the mean of its divisors is an integer number (144079560).

Almost surely, 2^8347914872 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 8347914872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9221091840).

8347914872 is an abundant number, since it is smaller than the sum of its proper divisors (10094268808).

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

8347914872 is a wasteful number, since it uses less digits than its factorization.

8347914872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 568 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 8347914872 is about 91366.9243873296. The cubic root of 8347914872 is about 2028.5824809989.

The spelling of 8347914872 in words is "eight billion, three hundred forty-seven million, nine hundred fourteen thousand, eight hundred seventy-two".