84857814 has 32 divisors (see below), whose sum is σ = 189648000. Its totient is φ = 28124712.

The previous prime is 84857807. The next prime is 84857827. The reversal of 84857814 is 41875848.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84857814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5277 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (5926500).

Almost surely, 2^84857814 is an apocalyptic number.

84857814 is an abundant number, since it is smaller than the sum of its proper divisors (104790186).

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

84857814 is a wasteful number, since it uses less digits than its factorization.

84857814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969 (or 8963 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 84857814 is about 9211.8301113297. The cubic root of 84857814 is about 439.4376666132.

The spelling of 84857814 in words is "eighty-four million, eight hundred fifty-seven thousand, eight hundred fourteen".