84313927728 has 120 divisors (see below), whose sum is σ = 245146840848. Its totient is φ = 28053464832.

The previous prime is 84313927661. The next prime is 84313927729. The reversal of 84313927728 is 82772931348.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (84313927729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2146150 + ... + 2185082.

Almost surely, 2^84313927728 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 84313927728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122573420424).

84313927728 is an abundant number, since it is smaller than the sum of its proper divisors (160832913120).

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

84313927728 is a wasteful number, since it uses less digits than its factorization.

84313927728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39513 (or 39495 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 84313927728 in words is "eighty-four billion, three hundred thirteen million, nine hundred twenty-seven thousand, seven hundred twenty-eight".