48772909 has 2 divisors, whose sum is σ = 48772910. Its totient is φ = 48772908.

The previous prime is 48772901. The next prime is 48772921. The reversal of 48772909 is 90927784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40678884 + 8094025 = 6378^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 48772909 - 2³ = 48772901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48772901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24386454 + 24386455.

It is an arithmetic number, because the mean of its divisors is an integer number (24386455).

Almost surely, 2^48772909 is an apocalyptic number.

It is an amenable number.

48772909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48772909 is an equidigital number, since it uses as much as digits as its factorization.

48772909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 48772909 is about 6983.7603767598. The cubic root of 48772909 is about 365.3643924576.

The spelling of 48772909 in words is "forty-eight million, seven hundred seventy-two thousand, nine hundred nine".