9845005247 has 16 divisors (see below), whose sum is σ = 12314303232. Its totient is φ = 7646425920.

The previous prime is 9845005229. The next prime is 9845005253. The reversal of 9845005247 is 7425005489.

It is a happy number.

It is not a de Polignac number, because 9845005247 - 2²² = 9840810943 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9845005198 and 9845005207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9845005297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184598 + ... + 231875.

It is an arithmetic number, because the mean of its divisors is an integer number (769643952).

Almost surely, 2^9845005247 is an apocalyptic number.

9845005247 is a deficient number, since it is larger than the sum of its proper divisors (2469297985).

9845005247 is a wasteful number, since it uses less digits than its factorization.

9845005247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416798.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 9845005247 is about 99221.9998135494. Note that the first 3 decimals coincide. The cubic root of 9845005247 is about 2143.2458130378.

The spelling of 9845005247 in words is "nine billion, eight hundred forty-five million, five thousand, two hundred forty-seven".