846857847 has 16 divisors (see below), whose sum is σ = 1233629568. Its totient is φ = 512482080.

The previous prime is 846857827. The next prime is 846857897. The reversal of 846857847 is 748758648.

It is a happy number.

It is not a de Polignac number, because 846857847 - 2¹² = 846853751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846857807) 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, 3753 + ... + 41325.

It is an arithmetic number, because the mean of its divisors is an integer number (77101848).

Almost surely, 2^846857847 is an apocalyptic number.

846857847 is a deficient number, since it is larger than the sum of its proper divisors (386771721).

846857847 is a wasteful number, since it uses less digits than its factorization.

846857847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38270.

The product of its digits is 12042240, while the sum is 57.

The square root of 846857847 is about 29100.8221017895. The cubic root of 846857847 is about 946.0995560367.

The spelling of 846857847 in words is "eight hundred forty-six million, eight hundred fifty-seven thousand, eight hundred forty-seven".