9995181798 has 48 divisors (see below), whose sum is σ = 23471498304. Its totient is φ = 2829067920.

The previous prime is 9995181797. The next prime is 9995181803. The reversal of 9995181798 is 8971815999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995181797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127408 + ... + 190323.

It is an arithmetic number, because the mean of its divisors is an integer number (488989548).

Almost surely, 2^9995181798 is an apocalyptic number.

9995181798 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

9995181798 is an abundant number, since it is smaller than the sum of its proper divisors (13476316506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9995181798 is a wasteful number, since it uses less digits than its factorization.

9995181798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317857 (or 317850 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 66.

The square root of 9995181798 is about 99975.9060874169. The cubic root of 9995181798 is about 2154.0886177266.

The spelling of 9995181798 in words is "nine billion, nine hundred ninety-five million, one hundred eighty-one thousand, seven hundred ninety-eight".