6278662216 has 8 divisors (see below), whose sum is σ = 11772491670. Its totient is φ = 3139331104.

The previous prime is 6278662213. The next prime is 6278662237. The reversal of 6278662216 is 6122668726.

It can be written as a sum of positive squares in only one way, i.e., 5774480100 + 504182116 = 75990^2 + 22454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6278662211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392416381 + ... + 392416396.

Almost surely, 2^6278662216 is an apocalyptic number.

It is an amenable number.

6278662216 is a deficient number, since it is larger than the sum of its proper divisors (5493829454).

6278662216 is a wasteful number, since it uses less digits than its factorization.

6278662216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784832783 (or 784832779 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 6278662216 is about 79238.0099194825. The cubic root of 6278662216 is about 1844.8272560511.

The spelling of 6278662216 in words is "six billion, two hundred seventy-eight million, six hundred sixty-two thousand, two hundred sixteen".