47617072127 has 4 divisors (see below), whose sum is σ = 47670999480. Its totient is φ = 47563144776.

The previous prime is 47617072099. The next prime is 47617072141. The reversal of 47617072127 is 72127071674.

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

It is a cyclic number.

It is not a de Polignac number, because 47617072127 - 2⁸ = 47617071871 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 (47617071127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26962352 + ... + 26964117.

It is an arithmetic number, because the mean of its divisors is an integer number (11917749870).

Almost surely, 2^47617072127 is an apocalyptic number.

47617072127 is a deficient number, since it is larger than the sum of its proper divisors (53927353).

47617072127 is an equidigital number, since it uses as much as digits as its factorization.

47617072127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53927352.

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 47617072127 in words is "forty-seven billion, six hundred seventeen million, seventy-two thousand, one hundred twenty-seven".