9172942836 has 48 divisors (see below), whose sum is σ = 21936144384. Its totient is φ = 2981786976.

The previous prime is 9172942799. The next prime is 9172942847. The reversal of 9172942836 is 6382492719.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317965 + ... + 345611.

It is an arithmetic number, because the mean of its divisors is an integer number (457003008).

Almost surely, 2^9172942836 is an apocalyptic number.

It is an amenable number.

9172942836 is an abundant number, since it is smaller than the sum of its proper divisors (12763201548).

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

9172942836 is a wasteful number, since it uses less digits than its factorization.

9172942836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28340 (or 28338 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 9172942836 is about 95775.4813926821. The cubic root of 9172942836 is about 2093.3229220298.

The spelling of 9172942836 in words is "nine billion, one hundred seventy-two million, nine hundred forty-two thousand, eight hundred thirty-six".