4781397984768 has 120 divisors (see below), whose sum is σ = 13801005226008. Its totient is φ = 1593618358272.

The previous prime is 4781397984761. The next prime is 4781397984829. The reversal of 4781397984768 is 8674897931874.

4781397984768 is a `hidden beast` number, since 4 + 7 + 8 + 139 + 7 + 9 + 8 + 476 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781397984761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44122780 + ... + 44231012.

Almost surely, 2^{4781397984768} is an apocalyptic number.

4781397984768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4781397984768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6900502613004).

4781397984768 is an abundant number, since it is smaller than the sum of its proper divisors (9019607241240).

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

4781397984768 is a wasteful number, since it uses less digits than its factorization.

4781397984768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117844 (or 117825 counting only the distinct ones).

The product of its digits is 4096770048, while the sum is 81.

The spelling of 4781397984768 in words is "four trillion, seven hundred eighty-one billion, three hundred ninety-seven million, nine hundred eighty-four thousand, seven hundred sixty-eight".