85752237 has 4 divisors (see below), whose sum is σ = 114336320. Its totient is φ = 57168156.

The previous prime is 85752229. The next prime is 85752239. The reversal of 85752237 is 73225758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85752237 - 2³ = 85752229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85752195 and 85752204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85752239) 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, 14292037 + ... + 14292042.

It is an arithmetic number, because the mean of its divisors is an integer number (28584080).

Almost surely, 2^85752237 is an apocalyptic number.

It is an amenable number.

85752237 is a deficient number, since it is larger than the sum of its proper divisors (28584083).

85752237 is a wasteful number, since it uses less digits than its factorization.

85752237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28584082.

The product of its digits is 117600, while the sum is 39.

The square root of 85752237 is about 9260.2503745849. The cubic root of 85752237 is about 440.9762020467.

The spelling of 85752237 in words is "eighty-five million, seven hundred fifty-two thousand, two hundred thirty-seven".