854170872 has 64 divisors (see below), whose sum is σ = 2305152000. Its totient is φ = 262948224.

The previous prime is 854170853. The next prime is 854170879. The reversal of 854170872 is 278071458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854170879) 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 15 ways as a sum of consecutive naturals, for example, 10672 + ... + 42687.

It is an arithmetic number, because the mean of its divisors is an integer number (36018000).

Almost surely, 2^854170872 is an apocalyptic number.

It is an amenable number.

854170872 is an abundant number, since it is smaller than the sum of its proper divisors (1450981128).

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

854170872 is a wasteful number, since it uses less digits than its factorization.

854170872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53420 (or 53416 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 854170872 is about 29226.2018059138. The cubic root of 854170872 is about 948.8150959447.

The spelling of 854170872 in words is "eight hundred fifty-four million, one hundred seventy thousand, eight hundred seventy-two".