26857028119 has 2 divisors, whose sum is σ = 26857028120. Its totient is φ = 26857028118.

The previous prime is 26857028117. The next prime is 26857028173. The reversal of 26857028119 is 91182075862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26857028119 - 2¹ = 26857028117 is a prime.

It is a super-2 number, since 2×26857028119² (a number of 22 digits) contains 22 as substring.

Together with 26857028117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26857028113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13428514059 + 13428514060.

It is an arithmetic number, because the mean of its divisors is an integer number (13428514060).

Almost surely, 2^26857028119 is an apocalyptic number.

26857028119 is a deficient number, since it is larger than the sum of its proper divisors (1).

26857028119 is an equidigital number, since it uses as much as digits as its factorization.

26857028119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 26857028119 in words is "twenty-six billion, eight hundred fifty-seven million, twenty-eight thousand, one hundred nineteen".