9992755836 has 84 divisors (see below), whose sum is σ = 29964621232. Its totient is φ = 2855067264.

The previous prime is 9992755807. The next prime is 9992755847. The reversal of 9992755836 is 6385572999.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-3 number, since 3×9992755836³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 224365 + ... + 265188.

Almost surely, 2^9992755836 is an apocalyptic number.

It is an amenable number.

9992755836 is an abundant number, since it is smaller than the sum of its proper divisors (19971865396).

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

9992755836 is a wasteful number, since it uses less digits than its factorization.

9992755836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489582 (or 489565 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The square root of 9992755836 is about 99963.7726178839. The cubic root of 9992755836 is about 2153.9143284181.

The spelling of 9992755836 in words is "nine billion, nine hundred ninety-two million, seven hundred fifty-five thousand, eight hundred thirty-six".