8349043278 has 16 divisors (see below), whose sum is σ = 16703474256. Its totient is φ = 2782116480.

The previous prime is 8349043259. The next prime is 8349043337. The reversal of 8349043278 is 8723409438.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204201 + ... + 241652.

It is an arithmetic number, because the mean of its divisors is an integer number (1043967141).

Almost surely, 2^8349043278 is an apocalyptic number.

8349043278 is an abundant number, since it is smaller than the sum of its proper divisors (8354430978).

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

8349043278 is a wasteful number, since it uses less digits than its factorization.

8349043278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448979.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 8349043278 is about 91373.0993126533. The cubic root of 8349043278 is about 2028.6738795316.

The spelling of 8349043278 in words is "eight billion, three hundred forty-nine million, forty-three thousand, two hundred seventy-eight".