985751827 has 2 divisors, whose sum is σ = 985751828. Its totient is φ = 985751826.

The previous prime is 985751801. The next prime is 985751843. The reversal of 985751827 is 728157589.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985751827 is a prime.

It is not a weakly prime, because it can be changed into another prime (985752827) by changing a digit.

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 as a sum of consecutive naturals, namely, 492875913 + 492875914.

It is an arithmetic number, because the mean of its divisors is an integer number (492875914).

Almost surely, 2^985751827 is an apocalyptic number.

985751827 is a deficient number, since it is larger than the sum of its proper divisors (1).

985751827 is an equidigital number, since it uses as much as digits as its factorization.

985751827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 52.

The square root of 985751827 is about 31396.6849683211. The cubic root of 985751827 is about 995.2278720201.

The spelling of 985751827 in words is "nine hundred eighty-five million, seven hundred fifty-one thousand, eight hundred twenty-seven".