985085837 has 8 divisors (see below), whose sum is σ = 1082016960. Its totient is φ = 892663200.

The previous prime is 985085819. The next prime is 985085861. The reversal of 985085837 is 738580589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985085837 - 2¹⁰ = 985084813 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 (985085887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126664 + ... + 1127537.

It is an arithmetic number, because the mean of its divisors is an integer number (135252120).

Almost surely, 2^985085837 is an apocalyptic number.

It is an amenable number.

985085837 is a deficient number, since it is larger than the sum of its proper divisors (96931123).

985085837 is a wasteful number, since it uses less digits than its factorization.

985085837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254243.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The square root of 985085837 is about 31386.0771202774. The cubic root of 985085837 is about 995.0036908022.

The spelling of 985085837 in words is "nine hundred eighty-five million, eighty-five thousand, eight hundred thirty-seven".