84183274740 has 96 divisors (see below), whose sum is σ = 246633246720. Its totient is φ = 21414197376.

The previous prime is 84183274709. The next prime is 84183274757. The reversal of 84183274740 is 4747238148.

It is a self number, because there is not a number n which added to its sum of digits gives 84183274740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423351 + ... + 589569.

It is an arithmetic number, because the mean of its divisors is an integer number (2569096320).

Almost surely, 2^84183274740 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 84183274740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123316623360).

84183274740 is an abundant number, since it is smaller than the sum of its proper divisors (162449971980).

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

84183274740 is a wasteful number, since it uses less digits than its factorization.

84183274740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166621 (or 166619 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 84183274740 in words is "eighty-four billion, one hundred eighty-three million, two hundred seventy-four thousand, seven hundred forty".