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79286428679 is a prime number
BaseRepresentation
bin100100111010111010…
…1101110010000000111
321120122121101220011112
41021311311232100013
52244334311204204
6100231303155235
75504535344513
oct1116565562007
9246577356145
1079286428679
1130697138417
1213448a45b1b
137627353473
143ba20ab143
1520e0a1a26e
hex1275d6e407

79286428679 has 2 divisors, whose sum is σ = 79286428680. Its totient is φ = 79286428678.

The previous prime is 79286428631. The next prime is 79286428747. The reversal of 79286428679 is 97682468297.

It is an a-pointer prime, because the next prime (79286428747) can be obtained adding 79286428679 to its sum of digits (68).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79286428679 - 212 = 79286424583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79286428609) 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, 39643214339 + 39643214340.

It is an arithmetic number, because the mean of its divisors is an integer number (39643214340).

Almost surely, 279286428679 is an apocalyptic number.

79286428679 is a deficient number, since it is larger than the sum of its proper divisors (1).

79286428679 is an equidigital number, since it uses as much as digits as its factorization.

79286428679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146313216, while the sum is 68.

The spelling of 79286428679 in words is "seventy-nine billion, two hundred eighty-six million, four hundred twenty-eight thousand, six hundred seventy-nine".