85579579027 has 2 divisors, whose sum is σ = 85579579028. Its totient is φ = 85579579026.

The previous prime is 85579579013. The next prime is 85579579039. The reversal of 85579579027 is 72097597558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85579579027 - 2⁷ = 85579578899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85579579027.

It is not a weakly prime, because it can be changed into another prime (85579579427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42789789513 + 42789789514.

It is an arithmetic number, because the mean of its divisors is an integer number (42789789514).

Almost surely, 2^85579579027 is an apocalyptic number.

85579579027 is a deficient number, since it is larger than the sum of its proper divisors (1).

85579579027 is an equidigital number, since it uses as much as digits as its factorization.

85579579027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566000, while the sum is 64.

The spelling of 85579579027 in words is "eighty-five billion, five hundred seventy-nine million, five hundred seventy-nine thousand, twenty-seven".