9953279998 has 32 divisors (see below), whose sum is σ = 15907681440. Its totient is φ = 4657305600.

The previous prime is 9953279989. The next prime is 9953280011. The reversal of 9953279998 is 8999723599.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213040 + ... + 2217532.

It is an arithmetic number, because the mean of its divisors is an integer number (497115045).

Almost surely, 2^9953279998 is an apocalyptic number.

9953279998 is a deficient number, since it is larger than the sum of its proper divisors (5954401442).

9953279998 is a wasteful number, since it uses less digits than its factorization.

9953279998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212.

The product of its digits is 99202320, while the sum is 70.

The square root of 9953279998 is about 99766.1265059439. The cubic root of 9953279998 is about 2151.0742782034.

The spelling of 9953279998 in words is "nine billion, nine hundred fifty-three million, two hundred seventy-nine thousand, nine hundred ninety-eight".