47878677418072 has 32 divisors (see below), whose sum is σ = 90016594668000. Its totient is φ = 23874257021184.

The previous prime is 47878677418063. The next prime is 47878677418087. The reversal of 47878677418072 is 27081477687874.

It is a self number, because there is not a number n which added to its sum of digits gives 47878677418072.

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, 82567804 + ... + 83145652.

It is an arithmetic number, because the mean of its divisors is an integer number (2813018583375).

Almost surely, 2^{47878677418072} is an apocalyptic number.

It is an amenable number.

47878677418072 is a deficient number, since it is larger than the sum of its proper divisors (42137917249928).

47878677418072 is a wasteful number, since it uses less digits than its factorization.

47878677418072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605995 (or 605991 counting only the distinct ones).

The product of its (nonzero) digits is 1652195328, while the sum is 76.

The spelling of 47878677418072 in words is "forty-seven trillion, eight hundred seventy-eight billion, six hundred seventy-seven million, four hundred eighteen thousand, seventy-two".