8347870472 has 12 divisors (see below), whose sum is σ = 15652741695. Its totient is φ = 4173806024.

The previous prime is 8347870471. The next prime is 8347870501. The reversal of 8347870472 is 2740787438.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 4173935236 + 4173935236 = 64606^2 + 64606^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64606.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8347870472.

It is not an unprimeable number, because it can be changed into a prime (8347870471) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 242273 + ... + 274575.

Almost surely, 2^8347870472 is an apocalyptic number.

It is an amenable number.

8347870472 is a deficient number, since it is larger than the sum of its proper divisors (7304871223).

8347870472 is an frugal number, since it uses more digits than its factorization.

8347870472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64612 (or 32305 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 50.

The square root of 8347870472 is about 91366.6814106762. The cubic root of 8347870472 is about 2028.5788845231.

Multiplying 8347870472 by its sum of digits (50), we get a square (417393523600 = 646060²).

The spelling of 8347870472 in words is "eight billion, three hundred forty-seven million, eight hundred seventy thousand, four hundred seventy-two".