85089279 has 8 divisors (see below), whose sum is σ = 123766272. Its totient is φ = 51569240.

The previous prime is 85089271. The next prime is 85089283. The reversal of 85089279 is 97298058.

It is a happy number.

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 85089279 - 2³ = 85089271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85089271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289199 + ... + 1289264.

It is an arithmetic number, because the mean of its divisors is an integer number (15470784).

Almost surely, 2^85089279 is an apocalyptic number.

85089279 is a deficient number, since it is larger than the sum of its proper divisors (38676993).

85089279 is a wasteful number, since it uses less digits than its factorization.

85089279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578477.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 85089279 is about 9224.3850201517. The cubic root of 85089279 is about 439.8368523928.

The spelling of 85089279 in words is "eighty-five million, eighty-nine thousand, two hundred seventy-nine".