84546747792 has 120 divisors (see below), whose sum is σ = 255000413304. Its totient is φ = 25995405312.

The previous prime is 84546747781. The next prime is 84546747823. The reversal of 84546747792 is 29774764548.

84546747792 is a `hidden beast` number, since 8 + 45 + 467 + 47 + 7 + 92 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2271856896 + 82274890896 = 47664^2 + 286836^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2666818 + ... + 2698334.

Almost surely, 2^84546747792 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 84546747792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127500206652).

84546747792 is an abundant number, since it is smaller than the sum of its proper divisors (170453665512).

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

84546747792 is a wasteful number, since it uses less digits than its factorization.

84546747792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32977 (or 32968 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 84546747792 in words is "eighty-four billion, five hundred forty-six million, seven hundred forty-seven thousand, seven hundred ninety-two".