47063881 has 2 divisors, whose sum is σ = 47063882. Its totient is φ = 47063880.

The previous prime is 47063867. The next prime is 47063959. The reversal of 47063881 is 18836074.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43296400 + 3767481 = 6580^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 47063881 - 2⁹ = 47063369 is a prime.

It is a super-2 number, since 2×47063881² = 4430017789564322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47063881.

It is not a weakly prime, because it can be changed into another prime (47063281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23531940 + 23531941.

It is an arithmetic number, because the mean of its divisors is an integer number (23531941).

Almost surely, 2^47063881 is an apocalyptic number.

It is an amenable number.

47063881 is a deficient number, since it is larger than the sum of its proper divisors (1).

47063881 is an equidigital number, since it uses as much as digits as its factorization.

47063881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 47063881 is about 6860.3120191432. The cubic root of 47063881 is about 361.0460342919.

The spelling of 47063881 in words is "forty-seven million, sixty-three thousand, eight hundred eighty-one".