84279605759 has 2 divisors, whose sum is σ = 84279605760. Its totient is φ = 84279605758.

The previous prime is 84279605749. The next prime is 84279605849. The reversal of 84279605759 is 95750697248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84279605759 - 2⁸ = 84279605503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84279605749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42139802879 + 42139802880.

It is an arithmetic number, because the mean of its divisors is an integer number (42139802880).

Almost surely, 2^84279605759 is an apocalyptic number.

84279605759 is a deficient number, since it is larger than the sum of its proper divisors (1).

84279605759 is an equidigital number, since it uses as much as digits as its factorization.

84279605759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 84279605759 in words is "eighty-four billion, two hundred seventy-nine million, six hundred five thousand, seven hundred fifty-nine".