5169726878 has 16 divisors (see below), whose sum is σ = 7852311936. Its totient is φ = 2552323800.

The previous prime is 5169726857. The next prime is 5169726889. The reversal of 5169726878 is 8786279615.

It is a happy number.

It is a congruent number.

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, 338303 + ... + 353253.

It is an arithmetic number, because the mean of its divisors is an integer number (490769496).

Almost surely, 2^5169726878 is an apocalyptic number.

5169726878 is a deficient number, since it is larger than the sum of its proper divisors (2682585058).

5169726878 is a wasteful number, since it uses less digits than its factorization.

5169726878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17119.

The product of its digits is 10160640, while the sum is 59.

The square root of 5169726878 is about 71900.8127770472. The cubic root of 5169726878 is about 1729.1096444275.

The spelling of 5169726878 in words is "five billion, one hundred sixty-nine million, seven hundred twenty-six thousand, eight hundred seventy-eight".