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8855082881 is a prime number
BaseRepresentation
bin10000011111100110…
…11101011110000001
3211212010101211002122
420033303131132001
5121113400123011
64022403054025
7432302651111
oct101763353601
924763354078
108855082881
113834510917
121871671315
13ab1740b18
14600091041
1536c6033db
hex20fcdd781

8855082881 has 2 divisors, whose sum is σ = 8855082882. Its totient is φ = 8855082880.

The previous prime is 8855082839. The next prime is 8855082949. The reversal of 8855082881 is 1882805588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7817212225 + 1037870656 = 88415^2 + 32216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8855082881 is a prime.

It is a super-2 number, since 2×88550828812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8855082811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4427541440 + 4427541441.

It is an arithmetic number, because the mean of its divisors is an integer number (4427541441).

Almost surely, 28855082881 is an apocalyptic number.

It is an amenable number.

8855082881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8855082881 is an equidigital number, since it uses as much as digits as its factorization.

8855082881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1638400, while the sum is 53.

The square root of 8855082881 is about 94101.4499410078. The cubic root of 8855082881 is about 2068.8589229397.

The spelling of 8855082881 in words is "eight billion, eight hundred fifty-five million, eighty-two thousand, eight hundred eighty-one".