85275679 has 8 divisors (see below), whose sum is σ = 86234400. Its totient is φ = 84322656.

The previous prime is 85275647. The next prime is 85275691. The reversal of 85275679 is 97657258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85275679 - 2⁵ = 85275647 is a prime.

It is a super-2 number, since 2×85275679² = 14543882857822082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85275479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33189 + ... + 35665.

It is an arithmetic number, because the mean of its divisors is an integer number (10779300).

Almost surely, 2^85275679 is an apocalyptic number.

85275679 is a deficient number, since it is larger than the sum of its proper divisors (958721).

85275679 is a wasteful number, since it uses less digits than its factorization.

85275679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849.

The product of its digits is 1058400, while the sum is 49.

The square root of 85275679 is about 9234.4831474209. The cubic root of 85275679 is about 440.1577929234.

The spelling of 85275679 in words is "eighty-five million, two hundred seventy-five thousand, six hundred seventy-nine".