85306037 has 4 divisors (see below), whose sum is σ = 85337280. Its totient is φ = 85274796.

The previous prime is 85306033. The next prime is 85306043. The reversal of 85306037 is 73060358.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 85306037 - 2² = 85306033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85305994 and 85306012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85306033) 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, 11087 + ... + 17132.

It is an arithmetic number, because the mean of its divisors is an integer number (21334320).

Almost surely, 2^85306037 is an apocalyptic number.

It is an amenable number.

85306037 is a deficient number, since it is larger than the sum of its proper divisors (31243).

85306037 is a wasteful number, since it uses less digits than its factorization.

85306037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31242.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 85306037 is about 9236.1267314822. The cubic root of 85306037 is about 440.2100185407.

The spelling of 85306037 in words is "eighty-five million, three hundred six thousand, thirty-seven".