47678518056576 has 64 divisors (see below), whose sum is σ = 138159342108000. Its totient is φ = 14448035773440.

The previous prime is 47678518056563. The next prime is 47678518056679. The reversal of 47678518056576 is 67565081587674.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 47678518056498 and 47678518056507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5643759751 + ... + 5643768198.

Almost surely, 2^{47678518056576} is an apocalyptic number.

It is an amenable number.

47678518056576 is an abundant number, since it is smaller than the sum of its proper divisors (90480824051424).

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

47678518056576 is a wasteful number, since it uses less digits than its factorization.

47678518056576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11287527977 (or 11287527965 counting only the distinct ones).

The product of its (nonzero) digits is 2370816000, while the sum is 75.

The spelling of 47678518056576 in words is "forty-seven trillion, six hundred seventy-eight billion, five hundred eighteen million, fifty-six thousand, five hundred seventy-six".