5188778716 has 24 divisors (see below), whose sum is σ = 10247433840. Its totient is φ = 2277206400.

The previous prime is 5188778701. The next prime is 5188778717. The reversal of 5188778716 is 6178778815.

It is a super-2 number, since 2×5188778716² = 53846849127229217312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188778717) 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, 2031945 + ... + 2034496.

It is an arithmetic number, because the mean of its divisors is an integer number (426976410).

Almost surely, 2^5188778716 is an apocalyptic number.

It is an amenable number.

5188778716 is a deficient number, since it is larger than the sum of its proper divisors (5058655124).

5188778716 is a wasteful number, since it uses less digits than its factorization.

5188778716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066485 (or 4066483 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 58.

The square root of 5188778716 is about 72033.1778835281. The cubic root of 5188778716 is about 1731.2311189694.

Subtracting 5188778716 from its reverse (6178778815), we obtain a palindrome (990000099).

The spelling of 5188778716 in words is "five billion, one hundred eighty-eight million, seven hundred seventy-eight thousand, seven hundred sixteen".