85309027 has 2 divisors, whose sum is σ = 85309028. Its totient is φ = 85309026.

The previous prime is 85308997. The next prime is 85309051. The reversal of 85309027 is 72090358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85309027 - 2²³ = 76920419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85308983 and 85309001.

It is not a weakly prime, because it can be changed into another prime (85309057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42654513 + 42654514.

It is an arithmetic number, because the mean of its divisors is an integer number (42654514).

Almost surely, 2^85309027 is an apocalyptic number.

85309027 is a deficient number, since it is larger than the sum of its proper divisors (1).

85309027 is an equidigital number, since it uses as much as digits as its factorization.

85309027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 85309027 is about 9236.2885944518. The cubic root of 85309027 is about 440.2151616413.

It can be divided in two parts, 8 and 5309027, that added together give a palindrome (5309035).

The spelling of 85309027 in words is "eighty-five million, three hundred nine thousand, twenty-seven".