26873163206387 has 2 divisors, whose sum is σ = 26873163206388. Its totient is φ = 26873163206386.

The previous prime is 26873163206363. The next prime is 26873163206389. The reversal of 26873163206387 is 78360236137862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26873163206387 - 2¹⁰ = 26873163205363 is a prime.

It is a super-2 number, since 2×26873163206387² (a number of 28 digits) contains 22 as substring.

Together with 26873163206389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26873163206389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13436581603193 + 13436581603194.

It is an arithmetic number, because the mean of its divisors is an integer number (13436581603194).

Almost surely, 2^{26873163206387} is an apocalyptic number.

26873163206387 is a deficient number, since it is larger than the sum of its proper divisors (1).

26873163206387 is an equidigital number, since it uses as much as digits as its factorization.

26873163206387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 26873163206387 in words is "twenty-six trillion, eight hundred seventy-three billion, one hundred sixty-three million, two hundred six thousand, three hundred eighty-seven".