8849728247 has 4 divisors (see below), whose sum is σ = 9154891320. Its totient is φ = 8544565176.

The previous prime is 8849728243. The next prime is 8849728297. The reversal of 8849728247 is 7428279488.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8849728247 - 2² = 8849728243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8849728243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152581493 + ... + 152581550.

It is an arithmetic number, because the mean of its divisors is an integer number (2288722830).

Almost surely, 2^8849728247 is an apocalyptic number.

8849728247 is a deficient number, since it is larger than the sum of its proper divisors (305163073).

8849728247 is a wasteful number, since it uses less digits than its factorization.

8849728247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305163072.

The product of its digits is 14450688, while the sum is 59.

The square root of 8849728247 is about 94072.9942491468. The cubic root of 8849728247 is about 2068.4418285557.

The spelling of 8849728247 in words is "eight billion, eight hundred forty-nine million, seven hundred twenty-eight thousand, two hundred forty-seven".