7997432884 has 36 divisors (see below), whose sum is σ = 16371512640. Its totient is φ = 3408308400.

The previous prime is 7997432867. The next prime is 7997432887. The reversal of 7997432884 is 4882347997.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997432887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78892 + ... + 149059.

It is an arithmetic number, because the mean of its divisors is an integer number (454764240).

Almost surely, 2^7997432884 is an apocalyptic number.

It is an amenable number.

7997432884 is an abundant number, since it is smaller than the sum of its proper divisors (8374079756).

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

7997432884 is a wasteful number, since it uses less digits than its factorization.

7997432884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228148 (or 228139 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 61.

The square root of 7997432884 is about 89428.3673338611. The cubic root of 7997432884 is about 1999.7860507803.

The spelling of 7997432884 in words is "seven billion, nine hundred ninety-seven million, four hundred thirty-two thousand, eight hundred eighty-four".