47071434477138 has 32 divisors (see below), whose sum is σ = 94785643592640. Its totient is φ = 15583712820480.

The previous prime is 47071434477121. The next prime is 47071434477227. The reversal of 47071434477138 is 83177443417074.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44953083 + ... + 45988286.

It is an arithmetic number, because the mean of its divisors is an integer number (2962051362270).

Almost surely, 2^{47071434477138} is an apocalyptic number.

47071434477138 is an abundant number, since it is smaller than the sum of its proper divisors (47714209115502).

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

47071434477138 is a wasteful number, since it uses less digits than its factorization.

47071434477138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90941962.

The product of its (nonzero) digits is 44255232, while the sum is 60.

The spelling of 47071434477138 in words is "forty-seven trillion, seventy-one billion, four hundred thirty-four million, four hundred seventy-seven thousand, one hundred thirty-eight".