985175247 has 16 divisors (see below), whose sum is σ = 1508340992. Its totient is φ = 560286720.

The previous prime is 985175239. The next prime is 985175263. The reversal of 985175247 is 742571589.

It is not a de Polignac number, because 985175247 - 2³ = 985175239 is a prime.

It is a super-2 number, since 2×985175247² = 1941140534603022018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 985175196 and 985175205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985175207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106738 + ... + 115599.

It is an arithmetic number, because the mean of its divisors is an integer number (94271312).

Almost surely, 2^985175247 is an apocalyptic number.

985175247 is a deficient number, since it is larger than the sum of its proper divisors (523165745).

985175247 is a wasteful number, since it uses less digits than its factorization.

985175247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222558.

The product of its digits is 705600, while the sum is 48.

The square root of 985175247 is about 31387.5014456392. The cubic root of 985175247 is about 995.0337932851.

The spelling of 985175247 in words is "nine hundred eighty-five million, one hundred seventy-five thousand, two hundred forty-seven".