8438795216 has 20 divisors (see below), whose sum is σ = 16454311812. Its totient is φ = 4192521216.

The previous prime is 8438795161. The next prime is 8438795227. The reversal of 8438795216 is 6125978348.

It can be written as a sum of positive squares in 2 ways, for example, as 1400256400 + 7038538816 = 37420^2 + 83896^2 .

It is a congruent number.

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, 1677185 + ... + 1682208.

Almost surely, 2^8438795216 is an apocalyptic number.

It is an amenable number.

8438795216 is a deficient number, since it is larger than the sum of its proper divisors (8015516596).

8438795216 is a wasteful number, since it uses less digits than its factorization.

8438795216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359558 (or 3359552 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 8438795216 is about 91862.9153467274. The cubic root of 8438795216 is about 2035.9173776979.

The spelling of 8438795216 in words is "eight billion, four hundred thirty-eight million, seven hundred ninety-five thousand, two hundred sixteen".