985547743 has 2 divisors, whose sum is σ = 985547744. Its totient is φ = 985547742.

The previous prime is 985547711. The next prime is 985547779. The reversal of 985547743 is 347745589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985547743 - 2⁵ = 985547711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985542743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492773871 + 492773872.

It is an arithmetic number, because the mean of its divisors is an integer number (492773872).

Almost surely, 2^985547743 is an apocalyptic number.

985547743 is a deficient number, since it is larger than the sum of its proper divisors (1).

985547743 is an equidigital number, since it uses as much as digits as its factorization.

985547743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 52.

The square root of 985547743 is about 31393.4347117355. The cubic root of 985547743 is about 995.1591853257.

The spelling of 985547743 in words is "nine hundred eighty-five million, five hundred forty-seven thousand, seven hundred forty-three".