8909000057 has 2 divisors, whose sum is σ = 8909000058. Its totient is φ = 8909000056.

The previous prime is 8909000053. The next prime is 8909000063. The reversal of 8909000057 is 7500009098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8847471721 + 61528336 = 94061^2 + 7844^2 .

It is a cyclic number.

It is not a de Polignac number, because 8909000057 - 2² = 8909000053 is a prime.

It is not a weakly prime, because it can be changed into another prime (8909000053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4454500028 + 4454500029.

It is an arithmetic number, because the mean of its divisors is an integer number (4454500029).

Almost surely, 2^8909000057 is an apocalyptic number.

It is an amenable number.

8909000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8909000057 is an equidigital number, since it uses as much as digits as its factorization.

8909000057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 8909000057 is about 94387.4994742418. The cubic root of 8909000057 is about 2073.0494124618.

The spelling of 8909000057 in words is "eight billion, nine hundred nine million, fifty-seven", and thus it is an aban number.