47501778646884 has 12 divisors (see below), whose sum is σ = 110837483509424. Its totient is φ = 15833926215624.

The previous prime is 47501778646849. The next prime is 47501778646897. The reversal of 47501778646884 is 48864687710574.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979240776942 + ... + 1979240776965.

Almost surely, 2^{47501778646884} is an apocalyptic number.

It is an amenable number.

47501778646884 is an abundant number, since it is smaller than the sum of its proper divisors (63335704862540).

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

47501778646884 is a wasteful number, since it uses less digits than its factorization.

47501778646884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958481553914 (or 3958481553912 counting only the distinct ones).

The product of its (nonzero) digits is 2023096320, while the sum is 75.

The spelling of 47501778646884 in words is "forty-seven trillion, five hundred one billion, seven hundred seventy-eight million, six hundred forty-six thousand, eight hundred eighty-four".