548877966 has 128 divisors (see below), whose sum is σ = 1435499520. Its totient is φ = 135862272.

The previous prime is 548877961. The next prime is 548878009. The reversal of 548877966 is 669778845.

548877966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548877961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1628550 + ... + 1628886.

It is an arithmetic number, because the mean of its divisors is an integer number (11214840).

Almost surely, 2^548877966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548877966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717749760).

548877966 is an abundant number, since it is smaller than the sum of its proper divisors (886621554).

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

548877966 is a wasteful number, since it uses less digits than its factorization.

548877966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its digits is 20321280, while the sum is 60.

The square root of 548877966 is about 23428.1447408880. The cubic root of 548877966 is about 818.7637359465.

It can be divided in two parts, 5488779 and 66, that added together give a palindrome (5488845).

The spelling of 548877966 in words is "five hundred forty-eight million, eight hundred seventy-seven thousand, nine hundred sixty-six".