9242747487828 has 144 divisors (see below), whose sum is σ = 24203871531840. Its totient is φ = 2972080677888.

The previous prime is 9242747487811. The next prime is 9242747487851. The reversal of 9242747487828 is 8287847472429.

9242747487828 is a `hidden beast` number, since 9 + 2 + 4 + 27 + 47 + 487 + 82 + 8 = 666.

It is a super-2 number, since 2×9242747487828² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49410138 + ... + 49596846.

Almost surely, 2^{9242747487828} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9242747487828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12101935765920).

9242747487828 is an abundant number, since it is smaller than the sum of its proper divisors (14961124044012).

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

9242747487828 is a wasteful number, since it uses less digits than its factorization.

9242747487828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187158 (or 187153 counting only the distinct ones).

The product of its digits is 809238528, while the sum is 72.

The spelling of 9242747487828 in words is "nine trillion, two hundred forty-two billion, seven hundred forty-seven million, four hundred eighty-seven thousand, eight hundred twenty-eight".