985208747 has 2 divisors, whose sum is σ = 985208748. Its totient is φ = 985208746.

The previous prime is 985208713. The next prime is 985208753. The reversal of 985208747 is 747802589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985208747 - 2⁶ = 985208683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 985208695 and 985208704.

It is not a weakly prime, because it can be changed into another prime (985208047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492604373 + 492604374.

It is an arithmetic number, because the mean of its divisors is an integer number (492604374).

Almost surely, 2^985208747 is an apocalyptic number.

985208747 is a deficient number, since it is larger than the sum of its proper divisors (1).

985208747 is an equidigital number, since it uses as much as digits as its factorization.

985208747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 985208747 is about 31388.0350930096. The cubic root of 985208747 is about 995.0450715676.

The spelling of 985208747 in words is "nine hundred eighty-five million, two hundred eight thousand, seven hundred forty-seven".