5197798272 has 128 divisors (see below), whose sum is σ = 14315904000. Its totient is φ = 1669201920.

The previous prime is 5197798271. The next prime is 5197798339. The reversal of 5197798272 is 2728977915.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197798271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3058479 + ... + 3060177.

It is an arithmetic number, because the mean of its divisors is an integer number (111843000).

Almost surely, 2^5197798272 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 5197798272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7157952000).

5197798272 is an abundant number, since it is smaller than the sum of its proper divisors (9118105728).

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

5197798272 is a wasteful number, since it uses less digits than its factorization.

5197798272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1992 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 57.

The square root of 5197798272 is about 72095.7576560507. The cubic root of 5197798272 is about 1732.2336604081.

The spelling of 5197798272 in words is "five billion, one hundred ninety-seven million, seven hundred ninety-eight thousand, two hundred seventy-two".