4347872816 has 20 divisors (see below), whose sum is σ = 9627432912. Its totient is φ = 1863374016.

The previous prime is 4347872777. The next prime is 4347872831. The reversal of 4347872816 is 6182787434.

It is a super-2 number, since 2×4347872816² = 37807996048223539712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19410035 + ... + 19410258.

Almost surely, 2^4347872816 is an apocalyptic number.

It is an amenable number.

4347872816 is an abundant number, since it is smaller than the sum of its proper divisors (5279560096).

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

4347872816 is a wasteful number, since it uses less digits than its factorization.

4347872816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38820308 (or 38820302 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 4347872816 is about 65938.4016791429. The cubic root of 4347872816 is about 1632.1457702519.

The spelling of 4347872816 in words is "four billion, three hundred forty-seven million, eight hundred seventy-two thousand, eight hundred sixteen".