5238613778 has 8 divisors (see below), whose sum is σ = 7859887920. Its totient is φ = 2618651140.

The previous prime is 5238613777. The next prime is 5238613813. The reversal of 5238613778 is 8773168325.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5238613777) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 317828 + ... + 333903.

It is an arithmetic number, because the mean of its divisors is an integer number (982485990).

Almost surely, 2^5238613778 is an apocalyptic number.

5238613778 is a deficient number, since it is larger than the sum of its proper divisors (2621274142).

5238613778 is a wasteful number, since it uses less digits than its factorization.

5238613778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655752.

The product of its digits is 1693440, while the sum is 50.

The square root of 5238613778 is about 72378.2686861188. The cubic root of 5238613778 is about 1736.7559428090.

The spelling of 5238613778 in words is "five billion, two hundred thirty-eight million, six hundred thirteen thousand, seven hundred seventy-eight".