84898585679 has 2 divisors, whose sum is σ = 84898585680. Its totient is φ = 84898585678.

The previous prime is 84898585669. The next prime is 84898585729. The reversal of 84898585679 is 97658589848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84898585679 - 2²⁴ = 84881808463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84898585669) 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, 42449292839 + 42449292840.

It is an arithmetic number, because the mean of its divisors is an integer number (42449292840).

Almost surely, 2^84898585679 is an apocalyptic number.

84898585679 is a deficient number, since it is larger than the sum of its proper divisors (1).

84898585679 is an equidigital number, since it uses as much as digits as its factorization.

84898585679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1393459200, while the sum is 77.

The spelling of 84898585679 in words is "eighty-four billion, eight hundred ninety-eight million, five hundred eighty-five thousand, six hundred seventy-nine".