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2678793077 is a prime number
BaseRepresentation
bin1001111110101011…
…0010001101110101
320220200121210021102
42133222302031311
520441232334302
61121451455445
7123245236232
oct23752621565
96820553242
102678793077
111155121984
12629157585
13338c9cb7c
141b5ab2789
1510a296702
hex9fab2375

2678793077 has 2 divisors, whose sum is σ = 2678793078. Its totient is φ = 2678793076.

The previous prime is 2678792981. The next prime is 2678793079. The reversal of 2678793077 is 7703978762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2508907921 + 169885156 = 50089^2 + 13034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678793077 - 224 = 2662015861 is a prime.

Together with 2678793079, 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 (2678793079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339396538 + 1339396539.

It is an arithmetic number, because the mean of its divisors is an integer number (1339396539).

Almost surely, 22678793077 is an apocalyptic number.

It is an amenable number.

2678793077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678793077 is an equidigital number, since it uses as much as digits as its factorization.

2678793077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6223392, while the sum is 56.

The square root of 2678793077 is about 51757.0582336361. The cubic root of 2678793077 is about 1388.8213663489.

The spelling of 2678793077 in words is "two billion, six hundred seventy-eight million, seven hundred ninety-three thousand, seventy-seven".