84842284572 has 144 divisors (see below), whose sum is σ = 224913386880. Its totient is φ = 27963600192.

The previous prime is 84842284477. The next prime is 84842284651. The reversal of 84842284572 is 27548224848.

It is a happy number.

84842284572 is a `hidden beast` number, since 8 + 4 + 8 + 42 + 28 + 4 + 572 = 666.

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

It is a congruent number.

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, 37423783 + ... + 37426049.

It is an arithmetic number, because the mean of its divisors is an integer number (1561898520).

Almost surely, 2^84842284572 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 84842284572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112456693440).

84842284572 is an abundant number, since it is smaller than the sum of its proper divisors (140071102308).

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

84842284572 is a wasteful number, since it uses less digits than its factorization.

84842284572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2688 counting only the distinct ones).

The product of its digits is 9175040, while the sum is 54.

The spelling of 84842284572 in words is "eighty-four billion, eight hundred forty-two million, two hundred eighty-four thousand, five hundred seventy-two".