847494494748 has 144 divisors (see below), whose sum is σ = 2353032339840. Its totient is φ = 255063600000.

The previous prime is 847494494723. The next prime is 847494494807.

847494494748 is a `hidden beast` number, since 8 + 4 + 7 + 4 + 94 + 494 + 7 + 48 = 666.

847494494748 is nontrivially palindromic in base 10.

847494494748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 37653498 + ... + 37675998.

It is an arithmetic number, because the mean of its divisors is an integer number (16340502360).

Almost surely, 2^847494494748 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 847494494748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176516169920).

847494494748 is an abundant number, since it is smaller than the sum of its proper divisors (1505537845092).

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

847494494748 is a wasteful number, since it uses less digits than its factorization.

847494494748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23168 (or 23163 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 72.

The spelling of 847494494748 in words is "eight hundred forty-seven billion, four hundred ninety-four million, four hundred ninety-four thousand, seven hundred forty-eight".