8667242495987 has 2 divisors, whose sum is σ = 8667242495988. Its totient is φ = 8667242495986.

The previous prime is 8667242495971. The next prime is 8667242496043. The reversal of 8667242495987 is 7895942427668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8667242495987 - 2⁴ = 8667242495971 is a prime.

It is a super-2 number, since 2×8667242495987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8667242498987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4333621247993 + 4333621247994.

It is an arithmetic number, because the mean of its divisors is an integer number (4333621247994).

Almost surely, 2^{8667242495987} is an apocalyptic number.

8667242495987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8667242495987 is an equidigital number, since it uses as much as digits as its factorization.

8667242495987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2926264320, while the sum is 77.

The spelling of 8667242495987 in words is "eight trillion, six hundred sixty-seven billion, two hundred forty-two million, four hundred ninety-five thousand, nine hundred eighty-seven".