79874182079 has 2 divisors, whose sum is σ = 79874182080.
Its totient is φ = 79874182078.
The previous prime is 79874182033. The next prime is 79874182181. The reversal of 79874182079 is 97028147897.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 79874182079 - 212 = 79874177983 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (79874182579) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39937091039 + 39937091040.
It is an arithmetic number, because the mean of its divisors is an integer number (39937091040).
Almost surely, 279874182079 is an apocalyptic number.
79874182079 is a deficient number, since it is larger than the sum of its proper divisors (1).
79874182079 is an equidigital number, since it uses as much as digits as its factorization.
79874182079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14224896, while the sum is 62.
The spelling of 79874182079 in words is "seventy-nine billion, eight hundred seventy-four million, one hundred eighty-two thousand, seventy-nine".