846169872 has 80 divisors (see below), whose sum is σ = 2262777792. Its totient is φ = 272263680.

The previous prime is 846169871. The next prime is 846169873. The reversal of 846169872 is 278961648.

It is an interprime number because it is at equal distance from previous prime (846169871) and next prime (846169873).

It is not an unprimeable number, because it can be changed into a prime (846169871) 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, 230838 + ... + 234474.

Almost surely, 2^846169872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846169872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131388896).

846169872 is an abundant number, since it is smaller than the sum of its proper divisors (1416607920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

846169872 is a wasteful number, since it uses less digits than its factorization.

846169872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816 (or 3810 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 846169872 is about 29088.9991577572. Note that the first 3 decimals coincide. The cubic root of 846169872 is about 945.8432874541.

The spelling of 846169872 in words is "eight hundred forty-six million, one hundred sixty-nine thousand, eight hundred seventy-two".