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10868825977 is a prime number
BaseRepresentation
bin10100001111101010…
…10001111101111001
31001001110121120022021
422013311101331321
5134224404412402
64554300354441
7533224332202
oct120765217571
931043546267
1010868825977
114678194909
122133b45a21
1310429ba699
147516c65a9
154392ccd37
hex287d51f79

10868825977 has 2 divisors, whose sum is σ = 10868825978. Its totient is φ = 10868825976.

The previous prime is 10868825941. The next prime is 10868826043. The reversal of 10868825977 is 77952886801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7133660521 + 3735165456 = 84461^2 + 61116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10868825977 is a prime.

It is not a weakly prime, because it can be changed into another prime (10868825477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5434412988 + 5434412989.

It is an arithmetic number, because the mean of its divisors is an integer number (5434412989).

Almost surely, 210868825977 is an apocalyptic number.

It is an amenable number.

10868825977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10868825977 is an equidigital number, since it uses as much as digits as its factorization.

10868825977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 10868825977 in words is "ten billion, eight hundred sixty-eight million, eight hundred twenty-five thousand, nine hundred seventy-seven".