842975859672 has 128 divisors (see below), whose sum is σ = 2375220672000. Its totient is φ = 276959571840.

The previous prime is 842975859623. The next prime is 842975859749. The reversal of 842975859672 is 276958579248.

842975859672 is a `hidden beast` number, since 8 + 4 + 29 + 7 + 5 + 8 + 596 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 842975859672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111074854 + ... + 111082442.

It is an arithmetic number, because the mean of its divisors is an integer number (18556411500).

Almost surely, 2^842975859672 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 842975859672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187610336000).

842975859672 is an abundant number, since it is smaller than the sum of its proper divisors (1532244812328).

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

842975859672 is a wasteful number, since it uses less digits than its factorization.

842975859672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14918 (or 14908 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 842975859672 in words is "eight hundred forty-two billion, nine hundred seventy-five million, eight hundred fifty-nine thousand, six hundred seventy-two".