985747850 has 12 divisors (see below), whose sum is σ = 1833491094. Its totient is φ = 394299120.

The previous prime is 985747843. The next prime is 985747877. The reversal of 985747850 is 58747589.

It can be written as a sum of positive squares in 3 ways, for example, as 390339049 + 595408801 = 19757^2 + 24401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 985747792 and 985747801.

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, 9857429 + ... + 9857528.

Almost surely, 2^985747850 is an apocalyptic number.

985747850 is a deficient number, since it is larger than the sum of its proper divisors (847743244).

985747850 is a wasteful number, since it uses less digits than its factorization.

985747850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714969 (or 19714964 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 985747850 is about 31396.6216335452. The cubic root of 985747850 is about 995.2265336080.

The spelling of 985747850 in words is "nine hundred eighty-five million, seven hundred forty-seven thousand, eight hundred fifty".