85868131532741 has 2 divisors, whose sum is σ = 85868131532742. Its totient is φ = 85868131532740.

The previous prime is 85868131532531. The next prime is 85868131532873. The reversal of 85868131532741 is 14723513186858.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49593228724516 + 36274902808225 = 7042246^2 + 6022865^2 .

It is a cyclic number.

It is not a de Polignac number, because 85868131532741 - 2³⁸ = 85593253625797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85868131582741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42934065766370 + 42934065766371.

It is an arithmetic number, because the mean of its divisors is an integer number (42934065766371).

Almost surely, 2^{85868131532741} is an apocalyptic number.

It is an amenable number.

85868131532741 is a deficient number, since it is larger than the sum of its proper divisors (1).

85868131532741 is an equidigital number, since it uses as much as digits as its factorization.

85868131532741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38707200, while the sum is 62.

The spelling of 85868131532741 in words is "eighty-five trillion, eight hundred sixty-eight billion, one hundred thirty-one million, five hundred thirty-two thousand, seven hundred forty-one".