47687138382 has 32 divisors (see below), whose sum is σ = 103449709440. Its totient is φ = 14567401440.

The previous prime is 47687138371. The next prime is 47687138489. The reversal of 47687138382 is 28383178674.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 2188344 + ... + 2210027.

It is an arithmetic number, because the mean of its divisors is an integer number (3232803420).

Almost surely, 2^47687138382 is an apocalyptic number.

47687138382 is an abundant number, since it is smaller than the sum of its proper divisors (55762571058).

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

47687138382 is a wasteful number, since it uses less digits than its factorization.

47687138382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398528.

The product of its digits is 10838016, while the sum is 57.

The spelling of 47687138382 in words is "forty-seven billion, six hundred eighty-seven million, one hundred thirty-eight thousand, three hundred eighty-two".