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8857652849 is a prime number
BaseRepresentation
bin10000011111111010…
…10000111001110001
3211212022020101102122
420033331100321301
5121120024342344
64022534124025
7432333543533
oct101775207161
924768211378
108857652849
113835a06761
1218724b0615
13ab2130806
1460055d853
1536c95eaee
hex20ff50e71

8857652849 has 2 divisors, whose sum is σ = 8857652850. Its totient is φ = 8857652848.

The previous prime is 8857652789. The next prime is 8857652863. The reversal of 8857652849 is 9482567588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7528685824 + 1328967025 = 86768^2 + 36455^2 .

It is a cyclic number.

It is not a de Polignac number, because 8857652849 - 212 = 8857648753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8857652791 and 8857652800.

It is not a weakly prime, because it can be changed into another prime (8857652899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4428826424 + 4428826425.

It is an arithmetic number, because the mean of its divisors is an integer number (4428826425).

Almost surely, 28857652849 is an apocalyptic number.

It is an amenable number.

8857652849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8857652849 is an equidigital number, since it uses as much as digits as its factorization.

8857652849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38707200, while the sum is 62.

The square root of 8857652849 is about 94115.1042553744. The cubic root of 8857652849 is about 2069.0590485631.

The spelling of 8857652849 in words is "eight billion, eight hundred fifty-seven million, six hundred fifty-two thousand, eight hundred forty-nine".