5178817060869 has 8 divisors (see below), whose sum is σ = 6905879415072. Its totient is φ = 3452149706960.

The previous prime is 5178817060861. The next prime is 5178817060873. The reversal of 5178817060869 is 9680607188715.

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

It is a cyclic number.

It is not a de Polignac number, because 5178817060869 - 2³ = 5178817060861 is a prime.

It is a super-2 number, since 2×5178817060869² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178817060861) 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 7 ways as a sum of consecutive naturals, for example, 98719479 + ... + 98771924.

It is an arithmetic number, because the mean of its divisors is an integer number (863234926884).

Almost surely, 2^{5178817060869} is an apocalyptic number.

It is an amenable number.

5178817060869 is a deficient number, since it is larger than the sum of its proper divisors (1727062354203).

5178817060869 is a wasteful number, since it uses less digits than its factorization.

5178817060869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197500147.

The product of its (nonzero) digits is 40642560, while the sum is 66.

The spelling of 5178817060869 in words is "five trillion, one hundred seventy-eight billion, eight hundred seventeen million, sixty thousand, eight hundred sixty-nine".