5578061817 has 8 divisors (see below), whose sum is σ = 7452944640. Its totient is φ = 3710943440.

The previous prime is 5578061809. The next prime is 5578061843. The reversal of 5578061817 is 7181608755.

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 5578061817 - 2³ = 5578061809 is a prime.

It is a super-2 number, since 2×5578061817² = 62229547268546682978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5578061887) 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, 1939434 + ... + 1942307.

It is an arithmetic number, because the mean of its divisors is an integer number (931618080).

Almost surely, 2^5578061817 is an apocalyptic number.

It is an amenable number.

5578061817 is a deficient number, since it is larger than the sum of its proper divisors (1874882823).

5578061817 is a wasteful number, since it uses less digits than its factorization.

5578061817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882223.

The product of its (nonzero) digits is 470400, while the sum is 48.

The square root of 5578061817 is about 74686.4232441211. The cubic root of 5578061817 is about 1773.4860400897.

The spelling of 5578061817 in words is "five billion, five hundred seventy-eight million, sixty-one thousand, eight hundred seventeen".