8138826667 has 16 divisors (see below), whose sum is σ = 8539711488. Its totient is φ = 7741974240.

The previous prime is 8138826637. The next prime is 8138826673. The reversal of 8138826667 is 7666288318.

It is a cyclic number.

It is not a de Polignac number, because 8138826667 - 2¹¹ = 8138824619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8138826617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6610942 + ... + 6612172.

It is an arithmetic number, because the mean of its divisors is an integer number (533731968).

Almost surely, 2^8138826667 is an apocalyptic number.

8138826667 is a deficient number, since it is larger than the sum of its proper divisors (400884821).

8138826667 is a wasteful number, since it uses less digits than its factorization.

8138826667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610.

The product of its digits is 4644864, while the sum is 55.

The square root of 8138826667 is about 90215.4458338482. The cubic root of 8138826667 is about 2011.5026071058.

The spelling of 8138826667 in words is "eight billion, one hundred thirty-eight million, eight hundred twenty-six thousand, six hundred sixty-seven".