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80798083277 is a prime number
BaseRepresentation
bin100101100111111110…
…0001110100011001101
321201112221211220102212
41023033330032203031
52310433302131102
6101041303200205
75560152243002
oct1131774164315
9251487756385
1080798083277
11312a245893a
12137ab146065
137808596442
143ca6b658a9
15217d5b7c52
hex12cff0e8cd

80798083277 has 2 divisors, whose sum is σ = 80798083278. Its totient is φ = 80798083276.

The previous prime is 80798083241. The next prime is 80798083279. The reversal of 80798083277 is 77238089708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74212111561 + 6585971716 = 272419^2 + 81154^2 .

It is a cyclic number.

It is not a de Polignac number, because 80798083277 - 218 = 80797821133 is a prime.

It is a super-2 number, since 2×807980832772 (a number of 23 digits) contains 22 as substring.

Together with 80798083279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80798083279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40399041638 + 40399041639.

It is an arithmetic number, because the mean of its divisors is an integer number (40399041639).

Almost surely, 280798083277 is an apocalyptic number.

It is an amenable number.

80798083277 is a deficient number, since it is larger than the sum of its proper divisors (1).

80798083277 is an equidigital number, since it uses as much as digits as its factorization.

80798083277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 80798083277 in words is "eighty billion, seven hundred ninety-eight million, eighty-three thousand, two hundred seventy-seven".