5188897280 has 80 divisors (see below), whose sum is σ = 14218554240. Its totient is φ = 1779044352.

The previous prime is 5188897261. The next prime is 5188897291. The reversal of 5188897280 is 827988815.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126860 + ... + 162699.

It is an arithmetic number, because the mean of its divisors is an integer number (177731928).

Almost surely, 2^5188897280 is an apocalyptic number.

It is an amenable number.

5188897280 is an abundant number, since it is smaller than the sum of its proper divisors (9029656960).

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

5188897280 is an equidigital number, since it uses as much as digits as its factorization.

5188897280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289589 (or 289573 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 56.

The square root of 5188897280 is about 72034.0008607047. Note that the first 3 decimals coincide. The cubic root of 5188897280 is about 1731.2443051245.

The spelling of 5188897280 in words is "five billion, one hundred eighty-eight million, eight hundred ninety-seven thousand, two hundred eighty".