84174498564 has 144 divisors (see below), whose sum is σ = 232955896320. Its totient is φ = 23535482880.

The previous prime is 84174498553. The next prime is 84174498589. The reversal of 84174498564 is 46589447148.

It is a junction number, because it is equal to n+sod(n) for n = 84174498498 and 84174498507.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 957709 + ... + 1041899.

It is an arithmetic number, because the mean of its divisors is an integer number (1617749280).

Almost surely, 2^84174498564 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 84174498564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116477948160).

84174498564 is an abundant number, since it is smaller than the sum of its proper divisors (148781397756).

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

84174498564 is a wasteful number, since it uses less digits than its factorization.

84174498564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84270 (or 84255 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The spelling of 84174498564 in words is "eighty-four billion, one hundred seventy-four million, four hundred ninety-eight thousand, five hundred sixty-four".