985775267 has 2 divisors, whose sum is σ = 985775268. Its totient is φ = 985775266.

The previous prime is 985775261. The next prime is 985775327. The reversal of 985775267 is 762577589.

It is a weak prime.

It is an emirp because it is prime and its reverse (762577589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 985775267 - 2²⁸ = 717339811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (985775261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492887633 + 492887634.

It is an arithmetic number, because the mean of its divisors is an integer number (492887634).

Almost surely, 2^985775267 is an apocalyptic number.

985775267 is a deficient number, since it is larger than the sum of its proper divisors (1).

985775267 is an equidigital number, since it uses as much as digits as its factorization.

985775267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 56.

The square root of 985775267 is about 31397.0582539193. The cubic root of 985775267 is about 995.2357604006.

The spelling of 985775267 in words is "nine hundred eighty-five million, seven hundred seventy-five thousand, two hundred sixty-seven".