85539036 has 48 divisors (see below), whose sum is σ = 230549760. Its totient is φ = 24395520.

The previous prime is 85539023. The next prime is 85539037. The reversal of 85539036 is 63093558.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85538985 and 85539003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85539037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16816 + ... + 21303.

It is an arithmetic number, because the mean of its divisors is an integer number (4803120).

Almost surely, 2^85539036 is an apocalyptic number.

It is an amenable number.

85539036 is an abundant number, since it is smaller than the sum of its proper divisors (145010724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85539036 is a wasteful number, since it uses less digits than its factorization.

85539036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38154 (or 38152 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 85539036 is about 9248.7315887099. The cubic root of 85539036 is about 440.6104405833.

The spelling of 85539036 in words is "eighty-five million, five hundred thirty-nine thousand, thirty-six".