85965279 has 8 divisors (see below), whose sum is σ = 114664752. Its totient is φ = 57288000.

The previous prime is 85965259. The next prime is 85965293. The reversal of 85965279 is 97256958.

It is a happy number.

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

It is not a de Polignac number, because 85965279 - 2⁵ = 85965247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85965259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8779 + ... + 15779.

It is an arithmetic number, because the mean of its divisors is an integer number (14333094).

Almost surely, 2^85965279 is an apocalyptic number.

85965279 is a deficient number, since it is larger than the sum of its proper divisors (28699473).

85965279 is a wasteful number, since it uses less digits than its factorization.

85965279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097.

The product of its digits is 1360800, while the sum is 51.

The square root of 85965279 is about 9271.7462756484. The cubic root of 85965279 is about 441.3410856643.

The spelling of 85965279 in words is "eighty-five million, nine hundred sixty-five thousand, two hundred seventy-nine".