47847773 has 2 divisors, whose sum is σ = 47847774. Its totient is φ = 47847772.

The previous prime is 47847763. The next prime is 47847781. The reversal of 47847773 is 37774874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 2393209 = 6742^2 + 1547^2 .

It is a cyclic number.

It is not a de Polignac number, because 47847773 - 2¹⁴ = 47831389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47847713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23923886 + 23923887.

It is an arithmetic number, because the mean of its divisors is an integer number (23923887).

Almost surely, 2^47847773 is an apocalyptic number.

It is an amenable number.

47847773 is a deficient number, since it is larger than the sum of its proper divisors (1).

47847773 is an equidigital number, since it uses as much as digits as its factorization.

47847773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921984, while the sum is 47.

The square root of 47847773 is about 6917.2084687394. The cubic root of 47847773 is about 363.0395244676.

The spelling of 47847773 in words is "forty-seven million, eight hundred forty-seven thousand, seven hundred seventy-three".