26145567827 has 2 divisors, whose sum is σ = 26145567828. Its totient is φ = 26145567826.

The previous prime is 26145567821. The next prime is 26145567893. The reversal of 26145567827 is 72876554162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26145567827 - 2²² = 26141373523 is a prime.

It is not a weakly prime, because it can be changed into another prime (26145567821) 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, 13072783913 + 13072783914.

It is an arithmetic number, because the mean of its divisors is an integer number (13072783914).

Almost surely, 2^26145567827 is an apocalyptic number.

26145567827 is a deficient number, since it is larger than the sum of its proper divisors (1).

26145567827 is an equidigital number, since it uses as much as digits as its factorization.

26145567827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 53.

The spelling of 26145567827 in words is "twenty-six billion, one hundred forty-five million, five hundred sixty-seven thousand, eight hundred twenty-seven".