85841837 has 4 divisors (see below), whose sum is σ = 86876160. Its totient is φ = 84807516.

The previous prime is 85841809. The next prime is 85841851. The reversal of 85841837 is 73814858.

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 85841837 - 2¹⁰ = 85840813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85841737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517037 + ... + 517202.

It is an arithmetic number, because the mean of its divisors is an integer number (21719040).

Almost surely, 2^85841837 is an apocalyptic number.

It is an amenable number.

85841837 is a deficient number, since it is larger than the sum of its proper divisors (1034323).

85841837 is a wasteful number, since it uses less digits than its factorization.

85841837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034322.

The product of its digits is 215040, while the sum is 44.

The square root of 85841837 is about 9265.0869936553. The cubic root of 85841837 is about 441.1297362891.

The spelling of 85841837 in words is "eighty-five million, eight hundred forty-one thousand, eight hundred thirty-seven".