5238780855 has 48 divisors (see below), whose sum is σ = 10636977024. Its totient is φ = 2177152320.

The previous prime is 5238780839. The next prime is 5238780889. The reversal of 5238780855 is 5580878325.

It is a happy number.

It is not a de Polignac number, because 5238780855 - 2⁴ = 5238780839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5238780798 and 5238780807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315897 + ... + 332066.

It is an arithmetic number, because the mean of its divisors is an integer number (221603688).

Almost surely, 2^5238780855 is an apocalyptic number.

5238780855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5238780855 is an abundant number, since it is smaller than the sum of its proper divisors (5398196169).

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

5238780855 is a wasteful number, since it uses less digits than its factorization.

5238780855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647996 (or 647989 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The square root of 5238780855 is about 72379.4228700395. The cubic root of 5238780855 is about 1736.7744062741.

The spelling of 5238780855 in words is "five billion, two hundred thirty-eight million, seven hundred eighty thousand, eight hundred fifty-five".