846865143 has 6 divisors (see below), whose sum is σ = 1223249664. Its totient is φ = 564576756.

The previous prime is 846865121. The next prime is 846865157. The reversal of 846865143 is 341568648.

It is not a de Polignac number, because 846865143 - 2¹⁴ = 846848759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846815143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47048055 + ... + 47048072.

It is an arithmetic number, because the mean of its divisors is an integer number (203874944).

Almost surely, 2^846865143 is an apocalyptic number.

846865143 is a deficient number, since it is larger than the sum of its proper divisors (376384521).

846865143 is a wasteful number, since it uses less digits than its factorization.

846865143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94096133 (or 94096130 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 846865143 is about 29100.9474588028. The cubic root of 846865143 is about 946.1022730305.

The spelling of 846865143 in words is "eight hundred forty-six million, eight hundred sixty-five thousand, one hundred forty-three".