9998105577 has 8 divisors (see below), whose sum is σ = 14032428960. Its totient is φ = 6314592960.

The previous prime is 9998105561. The next prime is 9998105587. The reversal of 9998105577 is 7755018999.

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

It is not a de Polignac number, because 9998105577 - 2⁴ = 9998105561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9998105577.

It is not an unprimeable number, because it can be changed into a prime (9998105587) 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 7 ways as a sum of consecutive naturals, for example, 87702624 + ... + 87702737.

It is an arithmetic number, because the mean of its divisors is an integer number (1754053620).

Almost surely, 2^9998105577 is an apocalyptic number.

It is an amenable number.

9998105577 is a deficient number, since it is larger than the sum of its proper divisors (4034323383).

9998105577 is a wasteful number, since it uses less digits than its factorization.

9998105577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175405383.

The product of its (nonzero) digits is 7144200, while the sum is 60.

The square root of 9998105577 is about 99990.5274363527. The cubic root of 9998105577 is about 2154.2986344190.

The spelling of 9998105577 in words is "nine billion, nine hundred ninety-eight million, one hundred five thousand, five hundred seventy-seven".