18007882597 has 2 divisors, whose sum is σ = 18007882598. Its totient is φ = 18007882596.

The previous prime is 18007882561. The next prime is 18007882619. The reversal of 18007882597 is 79528870081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16090668801 + 1917213796 = 126849^2 + 43786^2 .

It is an emirp because it is prime and its reverse (79528870081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18007882597 - 2¹⁵ = 18007849829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18007882507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9003941298 + 9003941299.

It is an arithmetic number, because the mean of its divisors is an integer number (9003941299).

Almost surely, 2^18007882597 is an apocalyptic number.

It is an amenable number.

18007882597 is a deficient number, since it is larger than the sum of its proper divisors (1).

18007882597 is an equidigital number, since it uses as much as digits as its factorization.

18007882597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 55.

The spelling of 18007882597 in words is "eighteen billion, seven million, eight hundred eighty-two thousand, five hundred ninety-seven".