47785841 has 2 divisors, whose sum is σ = 47785842. Its totient is φ = 47785840.

The previous prime is 47785799. The next prime is 47785847. The reversal of 47785841 is 14858774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46185616 + 1600225 = 6796^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 47785841 - 2¹⁴ = 47769457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47785792 and 47785801.

It is not a weakly prime, because it can be changed into another prime (47785847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23892920 + 23892921.

It is an arithmetic number, because the mean of its divisors is an integer number (23892921).

Almost surely, 2^47785841 is an apocalyptic number.

It is an amenable number.

47785841 is a deficient number, since it is larger than the sum of its proper divisors (1).

47785841 is an equidigital number, since it uses as much as digits as its factorization.

47785841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 44.

The square root of 47785841 is about 6912.7303578253. The cubic root of 47785841 is about 362.8828228418.

The spelling of 47785841 in words is "forty-seven million, seven hundred eighty-five thousand, eight hundred forty-one".