85274959579 has 2 divisors, whose sum is σ = 85274959580. Its totient is φ = 85274959578.

The previous prime is 85274959571. The next prime is 85274959589. The reversal of 85274959579 is 97595947258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85274959579 - 2³ = 85274959571 is a prime.

It is not a weakly prime, because it can be changed into another prime (85274959571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42637479789 + 42637479790.

It is an arithmetic number, because the mean of its divisors is an integer number (42637479790).

Almost surely, 2^85274959579 is an apocalyptic number.

85274959579 is a deficient number, since it is larger than the sum of its proper divisors (1).

85274959579 is an equidigital number, since it uses as much as digits as its factorization.

85274959579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768000, while the sum is 70.

The spelling of 85274959579 in words is "eighty-five billion, two hundred seventy-four million, nine hundred fifty-nine thousand, five hundred seventy-nine".