6226878866 has 32 divisors (see below), whose sum is σ = 10202997168. Its totient is φ = 2832998400.

The previous prime is 6226878857. The next prime is 6226878877. The reversal of 6226878866 is 6688786226.

It can be written as a sum of positive squares in 8 ways, for example, as 3232491025 + 2994387841 = 56855^2 + 54721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606770 + ... + 616946.

Almost surely, 2^6226878866 is an apocalyptic number.

6226878866 is a deficient number, since it is larger than the sum of its proper divisors (3976118302).

6226878866 is a wasteful number, since it uses less digits than its factorization.

6226878866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526.

The product of its digits is 18579456, while the sum is 59.

The square root of 6226878866 is about 78910.5751214626. The cubic root of 6226878866 is about 1839.7415029504.

The spelling of 6226878866 in words is "six billion, two hundred twenty-six million, eight hundred seventy-eight thousand, eight hundred sixty-six".