27696256089431 has 2 divisors, whose sum is σ = 27696256089432. Its totient is φ = 27696256089430.

The previous prime is 27696256089377. The next prime is 27696256089457. The reversal of 27696256089431 is 13498065269672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27696256089431 - 2³⁸ = 27421378182487 is a prime.

It is a super-2 number, since 2×27696256089431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27696256089031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13848128044715 + 13848128044716.

It is an arithmetic number, because the mean of its divisors is an integer number (13848128044716).

It is a 1-persistent number, because it is pandigital, but 2⋅27696256089431 = 55392512178862 is not.

Almost surely, 2^{27696256089431} is an apocalyptic number.

27696256089431 is a deficient number, since it is larger than the sum of its proper divisors (1).

27696256089431 is an equidigital number, since it uses as much as digits as its factorization.

27696256089431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 27696256089431 in words is "twenty-seven trillion, six hundred ninety-six billion, two hundred fifty-six million, eighty-nine thousand, four hundred thirty-one".