85398282313 has 2 divisors, whose sum is σ = 85398282314. Its totient is φ = 85398282312.

The previous prime is 85398282293. The next prime is 85398282317. The reversal of 85398282313 is 31328289358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78361924624 + 7036357689 = 279932^2 + 83883^2 .

It is a cyclic number.

It is not a de Polignac number, because 85398282313 - 2¹³ = 85398274121 is a prime.

It is a super-3 number, since 3×85398282313³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85398282317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42699141156 + 42699141157.

It is an arithmetic number, because the mean of its divisors is an integer number (42699141157).

Almost surely, 2^85398282313 is an apocalyptic number.

It is an amenable number.

85398282313 is a deficient number, since it is larger than the sum of its proper divisors (1).

85398282313 is an equidigital number, since it uses as much as digits as its factorization.

85398282313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 52.

The spelling of 85398282313 in words is "eighty-five billion, three hundred ninety-eight million, two hundred eighty-two thousand, three hundred thirteen".