85260179 has 2 divisors, whose sum is σ = 85260180. Its totient is φ = 85260178.

The previous prime is 85260167. The next prime is 85260229. The reversal of 85260179 is 97106258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85260179 - 2²⁴ = 68482963 is a prime.

It is a super-2 number, since 2×85260179² = 14538596246224082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_4957940 and since 85260179 and 4957940 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (85260139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42630089 + 42630090.

It is an arithmetic number, because the mean of its divisors is an integer number (42630090).

Almost surely, 2^85260179 is an apocalyptic number.

85260179 is a deficient number, since it is larger than the sum of its proper divisors (1).

85260179 is an equidigital number, since it uses as much as digits as its factorization.

85260179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 85260179 is about 9233.6438636109. The cubic root of 85260179 is about 440.1311231106.

The spelling of 85260179 in words is "eighty-five million, two hundred sixty thousand, one hundred seventy-nine".