85392812741 has 2 divisors, whose sum is σ = 85392812742. Its totient is φ = 85392812740.

The previous prime is 85392812717. The next prime is 85392812759. The reversal of 85392812741 is 14721829358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80729288641 + 4663524100 = 284129^2 + 68290^2 .

It is a cyclic number.

It is not a de Polignac number, because 85392812741 - 2⁶ = 85392812677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85392812741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85392812041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42696406370 + 42696406371.

It is an arithmetic number, because the mean of its divisors is an integer number (42696406371).

Almost surely, 2^85392812741 is an apocalyptic number.

It is an amenable number.

85392812741 is a deficient number, since it is larger than the sum of its proper divisors (1).

85392812741 is an equidigital number, since it uses as much as digits as its factorization.

85392812741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 50.

The spelling of 85392812741 in words is "eighty-five billion, three hundred ninety-two million, eight hundred twelve thousand, seven hundred forty-one".