848909847 has 4 divisors (see below), whose sum is σ = 1131879800. Its totient is φ = 565939896.

The previous prime is 848909843. The next prime is 848909849. The reversal of 848909847 is 748909848.

848909847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 848909847 - 2² = 848909843 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 (848909843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141484972 + ... + 141484977.

It is an arithmetic number, because the mean of its divisors is an integer number (282969950).

Almost surely, 2^848909847 is an apocalyptic number.

848909847 is a deficient number, since it is larger than the sum of its proper divisors (282969953).

848909847 is a wasteful number, since it uses less digits than its factorization.

848909847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282969952.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 848909847 is about 29136.0575061212. The cubic root of 848909847 is about 946.8630963616.

Subtracting from 848909847 its reverse (748909848), we obtain a palindrome (99999999).

The spelling of 848909847 in words is "eight hundred forty-eight million, nine hundred nine thousand, eight hundred forty-seven".