8738987126767 has 2 divisors, whose sum is σ = 8738987126768. Its totient is φ = 8738987126766.

The previous prime is 8738987126651. The next prime is 8738987126783. The reversal of 8738987126767 is 7676217898378.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8738987126767 is a prime.

It is a super-2 number, since 2×8738987126767² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8738987136767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4369493563383 + 4369493563384.

It is an arithmetic number, because the mean of its divisors is an integer number (4369493563384).

Almost surely, 2^{8738987126767} is an apocalyptic number.

8738987126767 is a deficient number, since it is larger than the sum of its proper divisors (1).

8738987126767 is an equidigital number, since it uses as much as digits as its factorization.

8738987126767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2389782528, while the sum is 79.

The spelling of 8738987126767 in words is "eight trillion, seven hundred thirty-eight billion, nine hundred eighty-seven million, one hundred twenty-six thousand, seven hundred sixty-seven".