47872456117 has 8 divisors (see below), whose sum is σ = 48793080024. Its totient is φ = 46952475648.

The previous prime is 47872456111. The next prime is 47872456123. The reversal of 47872456117 is 71165427874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47872456111) and next prime (47872456123).

It can be written as a sum of positive squares in 4 ways, for example, as 5663164516 + 42209291601 = 75254^2 + 205449^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47872456117 - 2¹⁵ = 47872423349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47872456111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9268 + ... + 309565.

It is an arithmetic number, because the mean of its divisors is an integer number (6099135003).

Almost surely, 2^47872456117 is an apocalyptic number.

It is an amenable number.

47872456117 is a deficient number, since it is larger than the sum of its proper divisors (920623907).

47872456117 is a wasteful number, since it uses less digits than its factorization.

47872456117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321719.

The product of its digits is 2634240, while the sum is 52.

The spelling of 47872456117 in words is "forty-seven billion, eight hundred seventy-two million, four hundred fifty-six thousand, one hundred seventeen".