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885614928881 is a prime number
BaseRepresentation
bin11001110001100101100…
…00110110001111110001
310010122221000201202101112
430320302300312033301
5104002214410211011
61514502413243105
7120661235455454
oct14706260661761
93118830652345
10885614928881
113116505a2a71
1212377a793495
1365689464ac7
1430c14b1349b
15180846d358b
hexce32c363f1

885614928881 has 2 divisors, whose sum is σ = 885614928882. Its totient is φ = 885614928880.

The previous prime is 885614928871. The next prime is 885614928911. The reversal of 885614928881 is 188829416588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805138317025 + 80476611856 = 897295^2 + 283684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-885614928881 is a prime.

It is a super-2 number, since 2×8856149288812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (885614928871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442807464440 + 442807464441.

It is an arithmetic number, because the mean of its divisors is an integer number (442807464441).

Almost surely, 2885614928881 is an apocalyptic number.

It is an amenable number.

885614928881 is a deficient number, since it is larger than the sum of its proper divisors (1).

885614928881 is an equidigital number, since it uses as much as digits as its factorization.

885614928881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70778880, while the sum is 68.

The spelling of 885614928881 in words is "eight hundred eighty-five billion, six hundred fourteen million, nine hundred twenty-eight thousand, eight hundred eighty-one".