5208361780 has 24 divisors (see below), whose sum is σ = 11116866600. Its totient is φ = 2049191040.

The previous prime is 5208361777. The next prime is 5208361783. The reversal of 5208361780 is 871638025.

It is an interprime number because it is at equal distance from previous prime (5208361777) and next prime (5208361783).

It can be written as a sum of positive squares in 4 ways, for example, as 341067024 + 4867294756 = 18468^2 + 69766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208361783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133355 + ... + 2135794.

It is an arithmetic number, because the mean of its divisors is an integer number (463202775).

Almost surely, 2^5208361780 is an apocalyptic number.

It is an amenable number.

5208361780 is an abundant number, since it is smaller than the sum of its proper divisors (5908504820).

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

5208361780 is a wasteful number, since it uses less digits than its factorization.

5208361780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269219 (or 4269217 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 5208361780 is about 72168.9807327220. The cubic root of 5208361780 is about 1733.4063416816.

The spelling of 5208361780 in words is "five billion, two hundred eight million, three hundred sixty-one thousand, seven hundred eighty".