47671007137 has 4 divisors (see below), whose sum is σ = 51338007700. Its totient is φ = 44004006576.

The previous prime is 47671007093. The next prime is 47671007177. The reversal of 47671007137 is 73170017674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13162743441 + 34508263696 = 114729^2 + 185764^2 .

It is a cyclic number.

It is not a de Polignac number, because 47671007137 - 2⁷ = 47671007009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47671007093 and 47671007102.

It is not an unprimeable number, because it can be changed into a prime (47671007177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833500262 + ... + 1833500287.

It is an arithmetic number, because the mean of its divisors is an integer number (12834501925).

Almost surely, 2^47671007137 is an apocalyptic number.

It is an amenable number.

47671007137 is a deficient number, since it is larger than the sum of its proper divisors (3667000563).

47671007137 is a wasteful number, since it uses less digits than its factorization.

47671007137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667000562.

The product of its (nonzero) digits is 172872, while the sum is 43.

The spelling of 47671007137 in words is "forty-seven billion, six hundred seventy-one million, seven thousand, one hundred thirty-seven".