48347809 has 2 divisors, whose sum is σ = 48347810. Its totient is φ = 48347808.

The previous prime is 48347801. The next prime is 48347861. The reversal of 48347809 is 90874384.

48347809 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., 48344209 + 3600 = 6953^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 48347809 - 2³ = 48347801 is a prime.

It is not a weakly prime, because it can be changed into another prime (48347801) 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, 24173904 + 24173905.

It is an arithmetic number, because the mean of its divisors is an integer number (24173905).

Almost surely, 2^48347809 is an apocalyptic number.

It is an amenable number.

48347809 is a deficient number, since it is larger than the sum of its proper divisors (1).

48347809 is an equidigital number, since it uses as much as digits as its factorization.

48347809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 48347809 is about 6953.2588762393. The cubic root of 48347809 is about 364.2997998032.

The spelling of 48347809 in words is "forty-eight million, three hundred forty-seven thousand, eight hundred nine".