84183509256 has 64 divisors (see below), whose sum is σ = 262390164480. Its totient is φ = 21865846080.

The previous prime is 84183509251. The next prime is 84183509279. The reversal of 84183509256 is 65290538148.

It is a junction number, because it is equal to n+sod(n) for n = 84183509199 and 84183509208.

It is not an unprimeable number, because it can be changed into a prime (84183509251) 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, 22775076 + ... + 22778771.

It is an arithmetic number, because the mean of its divisors is an integer number (4099846320).

Almost surely, 2^84183509256 is an apocalyptic number.

It is an amenable number.

84183509256 is an abundant number, since it is smaller than the sum of its proper divisors (178206655224).

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

84183509256 is a wasteful number, since it uses less digits than its factorization.

84183509256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45553874 (or 45553870 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 84183509256 in words is "eighty-four billion, one hundred eighty-three million, five hundred nine thousand, two hundred fifty-six".