98711585855 has 64 divisors (see below), whose sum is σ = 128213729280. Its totient is φ = 72819302400.

The previous prime is 98711585809. The next prime is 98711585857. The reversal of 98711585855 is 55858511789.

It is a Cunningham number, because it is equal to 314184²-1.

It is a de Polignac number, because none of the positive numbers 2^k-98711585855 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98711585857) 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 in 63 ways as a sum of consecutive naturals, for example, 48697352 + ... + 48699378.

It is an arithmetic number, because the mean of its divisors is an integer number (2003339520).

Almost surely, 2^98711585855 is an apocalyptic number.

98711585855 is a deficient number, since it is larger than the sum of its proper divisors (29502143425).

98711585855 is a wasteful number, since it uses less digits than its factorization.

98711585855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its digits is 20160000, while the sum is 62.

The spelling of 98711585855 in words is "ninety-eight billion, seven hundred eleven million, five hundred eighty-five thousand, eight hundred fifty-five".