98541806857 has 16 divisors (see below), whose sum is σ = 107352241920. Its totient is φ = 89907852672.

The previous prime is 98541806833. The next prime is 98541806887. The reversal of 98541806857 is 75860814589.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98541806857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98541806795 and 98541806804.

It is not an unprimeable number, because it can be changed into a prime (98541806827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3646128 + ... + 3673054.

It is an arithmetic number, because the mean of its divisors is an integer number (6709515120).

Almost surely, 2^98541806857 is an apocalyptic number.

It is an amenable number.

98541806857 is a deficient number, since it is larger than the sum of its proper divisors (8810435063).

98541806857 is a wasteful number, since it uses less digits than its factorization.

98541806857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30192.

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 98541806857 in words is "ninety-eight billion, five hundred forty-one million, eight hundred six thousand, eight hundred fifty-seven".