8138047672205 has 16 divisors (see below), whose sum is σ = 10781798981184. Its totient is φ = 5847271927680.

The previous prime is 8138047672199. The next prime is 8138047672213. The reversal of 8138047672205 is 5022767408318.

It is not a de Polignac number, because 8138047672205 - 2⁴ = 8138047672189 is a prime.

It is a congruent number.

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, 891347864 + ... + 891356993.

It is an arithmetic number, because the mean of its divisors is an integer number (673862436324).

Almost surely, 2^{8138047672205} is an apocalyptic number.

It is an amenable number.

8138047672205 is a deficient number, since it is larger than the sum of its proper divisors (2643751308979).

8138047672205 is a wasteful number, since it uses less digits than its factorization.

8138047672205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782704956.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 8138047672205 in words is "eight trillion, one hundred thirty-eight billion, forty-seven million, six hundred seventy-two thousand, two hundred five".