85862341561 has 2 divisors, whose sum is σ = 85862341562. Its totient is φ = 85862341560.

The previous prime is 85862341529. The next prime is 85862341589. The reversal of 85862341561 is 16514326858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70617747600 + 15244593961 = 265740^2 + 123469^2 .

It is a cyclic number.

It is not a de Polignac number, because 85862341561 - 2⁵ = 85862341529 is a prime.

It is not a weakly prime, because it can be changed into another prime (85862341511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42931170780 + 42931170781.

It is an arithmetic number, because the mean of its divisors is an integer number (42931170781).

Almost surely, 2^85862341561 is an apocalyptic number.

It is an amenable number.

85862341561 is a deficient number, since it is larger than the sum of its proper divisors (1).

85862341561 is an equidigital number, since it uses as much as digits as its factorization.

85862341561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 49.

The spelling of 85862341561 in words is "eighty-five billion, eight hundred sixty-two million, three hundred forty-one thousand, five hundred sixty-one".