85860031 has 8 divisors (see below), whose sum is σ = 91729280. Its totient is φ = 80125848.

The previous prime is 85859971. The next prime is 85860037. The reversal of 85860031 is 13006858.

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 85860031 - 2¹⁹ = 85335743 is a prime.

It is a super-2 number, since 2×85860031² = 14743889846641922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85859975 and 85860002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85860037) 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, 32451 + ... + 34996.

It is an arithmetic number, because the mean of its divisors is an integer number (11466160).

Almost surely, 2^85860031 is an apocalyptic number.

85860031 is a deficient number, since it is larger than the sum of its proper divisors (5869249).

85860031 is a wasteful number, since it uses less digits than its factorization.

85860031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67533.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 85860031 is about 9266.0687996582. The cubic root of 85860031 is about 441.1608995996.

Adding to 85860031 its reverse (13006858), we get a palindrome (98866889).

The spelling of 85860031 in words is "eighty-five million, eight hundred sixty thousand, thirty-one".