47785961 has 2 divisors, whose sum is σ = 47785962. Its totient is φ = 47785960.

The previous prime is 47785919. The next prime is 47785993. The reversal of 47785961 is 16958774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36529936 + 11256025 = 6044^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 47785961 - 2⁶ = 47785897 is a prime.

It is not a weakly prime, because it can be changed into another prime (47785061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23892980 + 23892981.

It is an arithmetic number, because the mean of its divisors is an integer number (23892981).

Almost surely, 2^47785961 is an apocalyptic number.

It is an amenable number.

47785961 is a deficient number, since it is larger than the sum of its proper divisors (1).

47785961 is an equidigital number, since it uses as much as digits as its factorization.

47785961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 47785961 is about 6912.7390374583. The cubic root of 47785961 is about 362.8831265991.

The spelling of 47785961 in words is "forty-seven million, seven hundred eighty-five thousand, nine hundred sixty-one".