84208559611 has 16 divisors (see below), whose sum is σ = 97604269920. Its totient is φ = 72050058240.

The previous prime is 84208559581. The next prime is 84208559639. The reversal of 84208559611 is 11695580248.

It is a de Polignac number, because none of the positive numbers 2^k-84208559611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84208559011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725046 + ... + 833131.

It is an arithmetic number, because the mean of its divisors is an integer number (6100266870).

Almost surely, 2^84208559611 is an apocalyptic number.

84208559611 is a deficient number, since it is larger than the sum of its proper divisors (13395710309).

84208559611 is a wasteful number, since it uses less digits than its factorization.

84208559611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558239 (or 1558205 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 84208559611 in words is "eighty-four billion, two hundred eight million, five hundred fifty-nine thousand, six hundred eleven".