9999998052 has 216 divisors, whose sum is σ = 27480259968. Its totient is φ = 2826637440.

The previous prime is 9999998027. The next prime is 9999998083. The reversal of 9999998052 is 2508999999.

It is a super-3 number, since 3×9999998052³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36100938 + ... + 36101214.

Almost surely, 2^9999998052 is an apocalyptic number.

9999998052 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9999998052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13740129984).

9999998052 is an abundant number, since it is smaller than the sum of its proper divisors (17480261916).

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

9999998052 is a wasteful number, since it uses less digits than its factorization.

9999998052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 42515280, while the sum is 69.

The square root of 9999998052 is about 99999.9902599995. The cubic root of 9999998052 is about 2154.4345501372.

The spelling of 9999998052 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-eight thousand, fifty-two".