85979333 has 6 divisors (see below), whose sum is σ = 94506342. Its totient is φ = 78162920.

The previous prime is 85979279. The next prime is 85979339. The reversal of 85979333 is 33397958.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 11035684 = 8657^2 + 3322^2 .

It is not a de Polignac number, because 85979333 - 2¹⁰ = 85978309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85979339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355166 + ... + 355407.

It is an arithmetic number, because the mean of its divisors is an integer number (15751057).

Almost surely, 2^85979333 is an apocalyptic number.

It is an amenable number.

85979333 is a deficient number, since it is larger than the sum of its proper divisors (8527009).

85979333 is a wasteful number, since it uses less digits than its factorization.

85979333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710595 (or 710584 counting only the distinct ones).

The product of its digits is 612360, while the sum is 47.

The square root of 85979333 is about 9272.5041385809. The cubic root of 85979333 is about 441.3651351787.

The spelling of 85979333 in words is "eighty-five million, nine hundred seventy-nine thousand, three hundred thirty-three".