47469977 has 2 divisors, whose sum is σ = 47469978. Its totient is φ = 47469976.

The previous prime is 47469973. The next prime is 47470009. The reversal of 47469977 is 77996474.

47469977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 20647936 = 5179^2 + 4544^2 .

It is a cyclic number.

It is not a de Polignac number, because 47469977 - 2² = 47469973 is a prime.

It is not a weakly prime, because it can be changed into another prime (47469971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23734988 + 23734989.

It is an arithmetic number, because the mean of its divisors is an integer number (23734989).

Almost surely, 2^47469977 is an apocalyptic number.

It is an amenable number.

47469977 is a deficient number, since it is larger than the sum of its proper divisors (1).

47469977 is an equidigital number, since it uses as much as digits as its factorization.

47469977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 53.

The square root of 47469977 is about 6889.8459344168. The cubic root of 47469977 is about 362.0815038849.

The spelling of 47469977 in words is "forty-seven million, four hundred sixty-nine thousand, nine hundred seventy-seven".