847847013 has 16 divisors (see below), whose sum is σ = 1281497280. Its totient is φ = 494290944.

The previous prime is 847847009. The next prime is 847847057. The reversal of 847847013 is 310748748.

It is not a de Polignac number, because 847847013 - 2² = 847847009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847847093) 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, 571356 + ... + 572837.

It is an arithmetic number, because the mean of its divisors is an integer number (80093580).

Almost surely, 2^847847013 is an apocalyptic number.

It is an amenable number.

847847013 is a deficient number, since it is larger than the sum of its proper divisors (433650267).

847847013 is a wasteful number, since it uses less digits than its factorization.

847847013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144228.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 847847013 is about 29117.8126410622. The cubic root of 847847013 is about 946.4677742221.

The spelling of 847847013 in words is "eight hundred forty-seven million, eight hundred forty-seven thousand, thirteen".