9998588795 has 16 divisors (see below), whose sum is σ = 13054470240. Its totient is φ = 7307449344.

The previous prime is 9998588753. The next prime is 9998588797. The reversal of 9998588795 is 5978858999.

It is not a de Polignac number, because 9998588795 - 2¹² = 9998584699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9998588797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786605 + ... + 799214.

It is an arithmetic number, because the mean of its divisors is an integer number (815904390).

Almost surely, 2^9998588795 is an apocalyptic number.

9998588795 is a deficient number, since it is larger than the sum of its proper divisors (3055881445).

9998588795 is a wasteful number, since it uses less digits than its factorization.

9998588795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585934.

The product of its digits is 587865600, while the sum is 77.

The square root of 9998588795 is about 99992.9437260450. The cubic root of 9998588795 is about 2154.3333402973. Note that the first 4 decimals are identical.

The spelling of 9998588795 in words is "nine billion, nine hundred ninety-eight million, five hundred eighty-eight thousand, seven hundred ninety-five".