98821831205 has 8 divisors (see below), whose sum is σ = 119808736152. Its totient is φ = 78242439168.

The previous prime is 98821831193. The next prime is 98821831231. The reversal of 98821831205 is 50213812889.

It can be written as a sum of positive squares in 4 ways, for example, as 245298244 + 98576532961 = 15662^2 + 313969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98821831205 - 2⁸ = 98821830949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98821831205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101877692 + ... + 101878661.

It is an arithmetic number, because the mean of its divisors is an integer number (14976092019).

Almost surely, 2^98821831205 is an apocalyptic number.

It is an amenable number.

98821831205 is a deficient number, since it is larger than the sum of its proper divisors (20986904947).

98821831205 is a wasteful number, since it uses less digits than its factorization.

98821831205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203756455.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 98821831205 in words is "ninety-eight billion, eight hundred twenty-one million, eight hundred thirty-one thousand, two hundred five".