9979545822 has 8 divisors (see below), whose sum is σ = 19959091656. Its totient is φ = 3326515272.

The previous prime is 9979545799. The next prime is 9979545833. The reversal of 9979545822 is 2285459799.

It is a sphenic number, since it is the product of 3 distinct primes.

9979545822 is an admirable number.

It is a super-3 number, since 3×9979545822³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831628813 + ... + 831628824.

It is an arithmetic number, because the mean of its divisors is an integer number (2494886457).

Almost surely, 2^9979545822 is an apocalyptic number.

9979545822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9979545822 is a wasteful number, since it uses less digits than its factorization.

9979545822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663257642.

The product of its digits is 16329600, while the sum is 60.

The square root of 9979545822 is about 99897.6767597725. The cubic root of 9979545822 is about 2152.9647810286.

The spelling of 9979545822 in words is "nine billion, nine hundred seventy-nine million, five hundred forty-five thousand, eight hundred twenty-two".