38664867287 has 2 divisors, whose sum is σ = 38664867288. Its totient is φ = 38664867286.

The previous prime is 38664867239. The next prime is 38664867289. The reversal of 38664867287 is 78276846683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38664867287 - 2¹² = 38664863191 is a prime.

Together with 38664867289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38664867289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19332433643 + 19332433644.

It is an arithmetic number, because the mean of its divisors is an integer number (19332433644).

Almost surely, 2^38664867287 is an apocalyptic number.

38664867287 is a deficient number, since it is larger than the sum of its proper divisors (1).

38664867287 is an equidigital number, since it uses as much as digits as its factorization.

38664867287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130056192, while the sum is 65.

The spelling of 38664867287 in words is "thirty-eight billion, six hundred sixty-four million, eight hundred sixty-seven thousand, two hundred eighty-seven".