18107072807 has 2 divisors, whose sum is σ = 18107072808. Its totient is φ = 18107072806.

The previous prime is 18107072773. The next prime is 18107072881. The reversal of 18107072807 is 70827070181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18107072807 - 2¹⁸ = 18106810663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18107072887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9053536403 + 9053536404.

It is an arithmetic number, because the mean of its divisors is an integer number (9053536404).

Almost surely, 2^18107072807 is an apocalyptic number.

18107072807 is a deficient number, since it is larger than the sum of its proper divisors (1).

18107072807 is an equidigital number, since it uses as much as digits as its factorization.

18107072807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 41.

The spelling of 18107072807 in words is "eighteen billion, one hundred seven million, seventy-two thousand, eight hundred seven".