48770209 has 2 divisors, whose sum is σ = 48770210. Its totient is φ = 48770208.

The previous prime is 48770203. The next prime is 48770221. The reversal of 48770209 is 90207784.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44849809 + 3920400 = 6697^2 + 1980^2 .

It is a cyclic number.

It is not a de Polignac number, because 48770209 - 2³ = 48770201 is a prime.

It is not a weakly prime, because it can be changed into another prime (48770201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24385104 + 24385105.

It is an arithmetic number, because the mean of its divisors is an integer number (24385105).

Almost surely, 2^48770209 is an apocalyptic number.

It is an amenable number.

48770209 is a deficient number, since it is larger than the sum of its proper divisors (1).

48770209 is an equidigital number, since it uses as much as digits as its factorization.

48770209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 48770209 is about 6983.5670684830. The cubic root of 48770209 is about 365.3576503126.

The spelling of 48770209 in words is "forty-eight million, seven hundred seventy thousand, two hundred nine".