85538593 has 8 divisors (see below), whose sum is σ = 98996480. Its totient is φ = 72390240.

The previous prime is 85538581. The next prime is 85538647. The reversal of 85538593 is 39583558.

It is a happy number.

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 85538593 - 2¹⁷ = 85407521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85538533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76788 + ... + 77893.

It is an arithmetic number, because the mean of its divisors is an integer number (12374560).

Almost surely, 2^85538593 is an apocalyptic number.

It is an amenable number.

85538593 is a deficient number, since it is larger than the sum of its proper divisors (13457887).

85538593 is a wasteful number, since it uses less digits than its factorization.

85538593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154767.

The product of its digits is 648000, while the sum is 46.

The square root of 85538593 is about 9248.7076394489. The cubic root of 85538593 is about 440.6096799529.

The spelling of 85538593 in words is "eighty-five million, five hundred thirty-eight thousand, five hundred ninety-three".