548487784845 has 384 divisors, whose sum is σ = 1318608764928. Its totient is φ = 203532134400.

The previous prime is 548487784829. The next prime is 548487784849.

548487784845 is a `hidden beast` number, since 548 + 4 + 8 + 7 + 78 + 4 + 8 + 4 + 5 = 666.

548487784845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 548487784845 - 2⁴ = 548487784829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548487784849) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 318332154 + ... + 318333876.

It is an arithmetic number, because the mean of its divisors is an integer number (3433876992).

Almost surely, 2^548487784845 is an apocalyptic number.

548487784845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

548487784845 is an abundant number, since it is smaller than the sum of its proper divisors (770120980083).

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

548487784845 is a wasteful number, since it uses less digits than its factorization.

548487784845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1990 counting only the distinct ones).

The product of its digits is 1284505600, while the sum is 72.

The spelling of 548487784845 in words is "five hundred forty-eight billion, four hundred eighty-seven million, seven hundred eighty-four thousand, eight hundred forty-five".