85239064 has 16 divisors (see below), whose sum is σ = 161239320. Its totient is φ = 42241920.

The previous prime is 85239061. The next prime is 85239097. The reversal of 85239064 is 46093258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85239061) 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, 46242 + ... + 48049.

Almost surely, 2^85239064 is an apocalyptic number.

It is an amenable number.

85239064 is a deficient number, since it is larger than the sum of its proper divisors (76000256).

85239064 is a wasteful number, since it uses less digits than its factorization.

85239064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94410 (or 94406 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 85239064 is about 9232.5004197130. The cubic root of 85239064 is about 440.0947867417.

The spelling of 85239064 in words is "eighty-five million, two hundred thirty-nine thousand, sixty-four".