5578978947424 has 48 divisors (see below), whose sum is σ = 11029945651200. Its totient is φ = 2777736366720.

The previous prime is 5578978947413. The next prime is 5578978947469. The reversal of 5578978947424 is 4247498798755.

It is a super-2 number, since 2×5578978947424² (a number of 26 digits) contains 22 as substring.

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, 13111977 + ... + 13530775.

It is an arithmetic number, because the mean of its divisors is an integer number (229790534400).

Almost surely, 2^{5578978947424} is an apocalyptic number.

It is an amenable number.

5578978947424 is a deficient number, since it is larger than the sum of its proper divisors (5450966703776).

5578978947424 is a wasteful number, since it uses less digits than its factorization.

5578978947424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420563 (or 420555 counting only the distinct ones).

The product of its digits is 5689958400, while the sum is 79.

The spelling of 5578978947424 in words is "five trillion, five hundred seventy-eight billion, nine hundred seventy-eight million, nine hundred forty-seven thousand, four hundred twenty-four".