85752036 has 18 divisors (see below), whose sum is σ = 216762182. Its totient is φ = 28584000.

The previous prime is 85752011. The next prime is 85752053. The reversal of 85752036 is 63025758.

It can be written as a sum of positive squares in only one way, i.e., 61308900 + 24443136 = 7830^2 + 4944^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2382001 = 85752036 / (8 + 5 + 7 + 5 + 2 + 0 + 3 + 6).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1190965 + ... + 1191036.

Almost surely, 2^85752036 is an apocalyptic number.

It is an amenable number.

85752036 is an abundant number, since it is smaller than the sum of its proper divisors (131010146).

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

85752036 is a wasteful number, since it uses less digits than its factorization.

85752036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382011 (or 2382006 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 85752036 is about 9260.2395217402. The cubic root of 85752036 is about 440.9758575026.

The spelling of 85752036 in words is "eighty-five million, seven hundred fifty-two thousand, thirty-six".