8626838394772 has 12 divisors (see below), whose sum is σ = 16258272359476. Its totient is φ = 3981617720640.

The previous prime is 8626838394719. The next prime is 8626838394781. The reversal of 8626838394772 is 2774938386268.

It can be written as a sum of positive squares in 2 ways, for example, as 1794490651396 + 6832347743376 = 1339586^2 + 2613876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8626838394695 and 8626838394704.

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, 82950369129 + ... + 82950369232.

Almost surely, 2^{8626838394772} is an apocalyptic number.

It is an amenable number.

8626838394772 is a deficient number, since it is larger than the sum of its proper divisors (7631433964704).

8626838394772 is a wasteful number, since it uses less digits than its factorization.

8626838394772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165900738378 (or 165900738376 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 73.

The spelling of 8626838394772 in words is "eight trillion, six hundred twenty-six billion, eight hundred thirty-eight million, three hundred ninety-four thousand, seven hundred seventy-two".