28592562571861 has 2 divisors, whose sum is σ = 28592562571862. Its totient is φ = 28592562571860.

The previous prime is 28592562571831. The next prime is 28592562571873. The reversal of 28592562571861 is 16817526529582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22702185031761 + 5890377540100 = 4764681^2 + 2427010^2 .

It is a cyclic number.

It is not a de Polignac number, because 28592562571861 - 2¹⁹ = 28592562047573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28592562571831) 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, 14296281285930 + 14296281285931.

It is an arithmetic number, because the mean of its divisors is an integer number (14296281285931).

Almost surely, 2^{28592562571861} is an apocalyptic number.

It is an amenable number.

28592562571861 is a deficient number, since it is larger than the sum of its proper divisors (1).

28592562571861 is an equidigital number, since it uses as much as digits as its factorization.

28592562571861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152000, while the sum is 67.

The spelling of 28592562571861 in words is "twenty-eight trillion, five hundred ninety-two billion, five hundred sixty-two million, five hundred seventy-one thousand, eight hundred sixty-one".