85289373 has 12 divisors (see below), whose sum is σ = 132672540. Its totient is φ = 52485696.

The previous prime is 85289371. The next prime is 85289381. The reversal of 85289373 is 37398258.

It can be written as a sum of positive squares in 2 ways, for example, as 4235364 + 81054009 = 2058^2 + 9003^2 .

It is not a de Polignac number, because 85289373 - 2¹ = 85289371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85289371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364368 + ... + 364601.

It is an arithmetic number, because the mean of its divisors is an integer number (11056045).

Almost surely, 2^85289373 is an apocalyptic number.

It is an amenable number.

85289373 is a deficient number, since it is larger than the sum of its proper divisors (47383167).

85289373 is a wasteful number, since it uses less digits than its factorization.

85289373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728988 (or 728985 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 85289373 is about 9235.2245776700. The cubic root of 85289373 is about 440.1813525841.

The spelling of 85289373 in words is "eighty-five million, two hundred eighty-nine thousand, three hundred seventy-three".