26157875568677 has 2 divisors, whose sum is σ = 26157875568678. Its totient is φ = 26157875568676.

The previous prime is 26157875568673. The next prime is 26157875568679. The reversal of 26157875568677 is 77686557875162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25463468345956 + 694407222721 = 5046134^2 + 833311^2 .

It is a cyclic number.

It is not a de Polignac number, because 26157875568677 - 2² = 26157875568673 is a prime.

It is a super-2 number, since 2×26157875568677² (a number of 28 digits) contains 22 as substring.

Together with 26157875568679, 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 (26157875568673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13078937784338 + 13078937784339.

It is an arithmetic number, because the mean of its divisors is an integer number (13078937784339).

Almost surely, 2^{26157875568677} is an apocalyptic number.

It is an amenable number.

26157875568677 is a deficient number, since it is larger than the sum of its proper divisors (1).

26157875568677 is an equidigital number, since it uses as much as digits as its factorization.

26157875568677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8297856000, while the sum is 80.

The spelling of 26157875568677 in words is "twenty-six trillion, one hundred fifty-seven billion, eight hundred seventy-five million, five hundred sixty-eight thousand, six hundred seventy-seven".