47773889 has 2 divisors, whose sum is σ = 47773890. Its totient is φ = 47773888.

The previous prime is 47773871. The next prime is 47773939. The reversal of 47773889 is 98837774.

47773889 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., 47679025 + 94864 = 6905^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 47773889 - 2¹² = 47769793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47773889.

It is not a weakly prime, because it can be changed into another prime (47773819) 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, 23886944 + 23886945.

It is an arithmetic number, because the mean of its divisors is an integer number (23886945).

Almost surely, 2^47773889 is an apocalyptic number.

It is an amenable number.

47773889 is a deficient number, since it is larger than the sum of its proper divisors (1).

47773889 is an equidigital number, since it uses as much as digits as its factorization.

47773889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The square root of 47773889 is about 6911.8658117762. The cubic root of 47773889 is about 362.8525660610.

The spelling of 47773889 in words is "forty-seven million, seven hundred seventy-three thousand, eight hundred eighty-nine".