85361320579 has 2 divisors, whose sum is σ = 85361320580. Its totient is φ = 85361320578.

The previous prime is 85361320573. The next prime is 85361320631. The reversal of 85361320579 is 97502316358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85361320579 - 2⁵ = 85361320547 is a prime.

It is not a weakly prime, because it can be changed into another prime (85361320573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42680660289 + 42680660290.

It is an arithmetic number, because the mean of its divisors is an integer number (42680660290).

Almost surely, 2^85361320579 is an apocalyptic number.

85361320579 is a deficient number, since it is larger than the sum of its proper divisors (1).

85361320579 is an equidigital number, since it uses as much as digits as its factorization.

85361320579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 85361320579 in words is "eighty-five billion, three hundred sixty-one million, three hundred twenty thousand, five hundred seventy-nine".