6878228786 has 24 divisors (see below), whose sum is σ = 12212906412. Its totient is φ = 2885968800.

The previous prime is 6878228783. The next prime is 6878228803.

6878228786 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 6815328025 + 62900761 = 82555^2 + 7931^2 .

It is not an unprimeable number, because it can be changed into a prime (6878228783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1090025 + ... + 1096316.

Almost surely, 2^6878228786 is an apocalyptic number.

6878228786 is a deficient number, since it is larger than the sum of its proper divisors (5334677626).

6878228786 is a wasteful number, since it uses less digits than its factorization.

6878228786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186378 (or 2186367 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 62.

The square root of 6878228786 is about 82935.0877855688. The cubic root of 6878228786 is about 1901.7738545731.

The spelling of 6878228786 in words is "six billion, eight hundred seventy-eight million, two hundred twenty-eight thousand, seven hundred eighty-six".