85459538 has 8 divisors (see below), whose sum is σ = 128243532. Its totient is φ = 42711696.

The previous prime is 85459537. The next prime is 85459541. The reversal of 85459538 is 83595458.

It can be written as a sum of positive squares in 2 ways, for example, as 84143929 + 1315609 = 9173^2 + 1147^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 85459492 and 85459501.

It is not an unprimeable number, because it can be changed into a prime (85459531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045 + ... + 13232.

Almost surely, 2^85459538 is an apocalyptic number.

85459538 is a deficient number, since it is larger than the sum of its proper divisors (42783994).

85459538 is a wasteful number, since it uses less digits than its factorization.

85459538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18076.

The product of its digits is 864000, while the sum is 47.

The square root of 85459538 is about 9244.4328111572. The cubic root of 85459538 is about 440.4739005607.

The spelling of 85459538 in words is "eighty-five million, four hundred fifty-nine thousand, five hundred thirty-eight".