999998477238476 has 24 divisors (see below), whose sum is σ = 1755543738680256. Its totient is φ = 498414598456320.

The previous prime is 999998477238389. The next prime is 999998477238511. The reversal of 999998477238476 is 674832774899999.

It is a happy number.

It is a super-3 number, since 3×999998477238476³ (a number of 46 digits) contains 333 as substring.

It is a pancake number, because a pancake can be divided into 999998477238476 parts by 44721325 straight cuts.

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, 80643005 + ... + 92213291.

It is an arithmetic number, because the mean of its divisors is an integer number (73147655778344).

Almost surely, 2^{999998477238476} is an apocalyptic number.

It is an amenable number.

999998477238476 is a deficient number, since it is larger than the sum of its proper divisors (755545261441780).

999998477238476 is a wasteful number, since it uses less digits than its factorization.

999998477238476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638769 (or 11638767 counting only the distinct ones).

The product of its digits is 746636341248, while the sum is 101.

The spelling of 999998477238476 in words is "nine hundred ninety-nine trillion, nine hundred ninety-eight billion, four hundred seventy-seven million, two hundred thirty-eight thousand, four hundred seventy-six".