47155805863 has 2 divisors, whose sum is σ = 47155805864. Its totient is φ = 47155805862.

The previous prime is 47155805857. The next prime is 47155805869. The reversal of 47155805863 is 36850855174.

It is a balanced prime because it is at equal distance from previous prime (47155805857) and next prime (47155805869).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47155805863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47155805863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47155805869) 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 as a sum of consecutive naturals, namely, 23577902931 + 23577902932.

It is an arithmetic number, because the mean of its divisors is an integer number (23577902932).

Almost surely, 2^47155805863 is an apocalyptic number.

47155805863 is a deficient number, since it is larger than the sum of its proper divisors (1).

47155805863 is an equidigital number, since it uses as much as digits as its factorization.

47155805863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 47155805863 in words is "forty-seven billion, one hundred fifty-five million, eight hundred five thousand, eight hundred sixty-three".