84794727472 has 80 divisors (see below), whose sum is σ = 202295941120. Its totient is φ = 33529718016.

The previous prime is 84794727361. The next prime is 84794727481. The reversal of 84794727472 is 27472749748.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84794727472.

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, 3457429 + ... + 3481867.

It is an arithmetic number, because the mean of its divisors is an integer number (2528699264).

Almost surely, 2^84794727472 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 84794727472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101147970560).

84794727472 is an abundant number, since it is smaller than the sum of its proper divisors (117501213648).

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

84794727472 is a wasteful number, since it uses less digits than its factorization.

84794727472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26850 (or 26844 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 61.

The spelling of 84794727472 in words is "eighty-four billion, seven hundred ninety-four million, seven hundred twenty-seven thousand, four hundred seventy-two".