9988098755 has 8 divisors (see below), whose sum is σ = 12309657072. Its totient is φ = 7774519968.

The previous prime is 9988098739. The next prime is 9988098761. The reversal of 9988098755 is 5578908899.

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 9988098755 - 2⁴ = 9988098739 is a prime.

It is a Duffinian 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, 26994677 + ... + 26995046.

It is an arithmetic number, because the mean of its divisors is an integer number (1538707134).

Almost surely, 2^9988098755 is an apocalyptic number.

9988098755 is a deficient number, since it is larger than the sum of its proper divisors (2321558317).

9988098755 is a wasteful number, since it uses less digits than its factorization.

9988098755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53989765.

The product of its (nonzero) digits is 65318400, while the sum is 68.

The square root of 9988098755 is about 99940.4760595025. The cubic root of 9988098755 is about 2153.5796689122.

The spelling of 9988098755 in words is "nine billion, nine hundred eighty-eight million, ninety-eight thousand, seven hundred fifty-five".