5579778168 has 24 divisors (see below), whose sum is σ = 15111899400. Its totient is φ = 1859926032.

The previous prime is 5579778163. The next prime is 5579778179. The reversal of 5579778168 is 8618779755.

5579778168 is a `hidden beast` number, since 557 + 9 + 7 + 78 + 1 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×5579778168² = 62267848808178872448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5579778163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38748388 + ... + 38748531.

It is an arithmetic number, because the mean of its divisors is an integer number (629662475).

Almost surely, 2^5579778168 is an apocalyptic number.

It is an amenable number.

5579778168 is an abundant number, since it is smaller than the sum of its proper divisors (9532121232).

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

5579778168 is a wasteful number, since it uses less digits than its factorization.

5579778168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77496931 (or 77496924 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 63.

The square root of 5579778168 is about 74697.9127419234. The cubic root of 5579778168 is about 1773.6679200144.

The spelling of 5579778168 in words is "five billion, five hundred seventy-nine million, seven hundred seventy-eight thousand, one hundred sixty-eight".