98994057205 has 4 divisors (see below), whose sum is σ = 118792868652. Its totient is φ = 79195245760.

The previous prime is 98994057193. The next prime is 98994057247. The reversal of 98994057205 is 50275049989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34283855281 + 64710201924 = 185159^2 + 254382^2 .

It is a de Polignac number, because none of the positive numbers 2^k-98994057205 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 98994057205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9899405716 + ... + 9899405725.

It is an arithmetic number, because the mean of its divisors is an integer number (29698217163).

Almost surely, 2^98994057205 is an apocalyptic number.

It is an amenable number.

98994057205 is a deficient number, since it is larger than the sum of its proper divisors (19798811447).

98994057205 is a wasteful number, since it uses less digits than its factorization.

98994057205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19798811446.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 98994057205 in words is "ninety-eight billion, nine hundred ninety-four million, fifty-seven thousand, two hundred five".