47387471667 has 8 divisors (see below), whose sum is σ = 64375433424. Its totient is φ = 30995578848.

The previous prime is 47387471657. The next prime is 47387471749. The reversal of 47387471667 is 76617478374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47387471667 - 2⁷ = 47387471539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47387471667.

It is not an unprimeable number, because it can be changed into a prime (47387471657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149017048 + ... + 149017365.

It is an arithmetic number, because the mean of its divisors is an integer number (8046929178).

Almost surely, 2^47387471667 is an apocalyptic number.

47387471667 is a deficient number, since it is larger than the sum of its proper divisors (16987961757).

47387471667 is a wasteful number, since it uses less digits than its factorization.

47387471667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298034469.

The product of its digits is 33191424, while the sum is 60.

The spelling of 47387471667 in words is "forty-seven billion, three hundred eighty-seven million, four hundred seventy-one thousand, six hundred sixty-seven".