5578961917 has 8 divisors (see below), whose sum is σ = 5651171712. Its totient is φ = 5507124000.

The previous prime is 5578961897. The next prime is 5578961951. The reversal of 5578961917 is 7191698755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5578961917 is a prime.

It is a super-2 number, since 2×5578961917² = 62249632142672629778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5578961957) 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, 62709 + ... + 122842.

It is an arithmetic number, because the mean of its divisors is an integer number (706396464).

Almost surely, 2^5578961917 is an apocalyptic number.

It is an amenable number.

5578961917 is a deficient number, since it is larger than the sum of its proper divisors (72209795).

5578961917 is a wasteful number, since it uses less digits than its factorization.

5578961917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185939.

The product of its digits is 4762800, while the sum is 58.

The square root of 5578961917 is about 74692.4488619834. The cubic root of 5578961917 is about 1773.5814273994.

The spelling of 5578961917 in words is "five billion, five hundred seventy-eight million, nine hundred sixty-one thousand, nine hundred seventeen".