7988542684 has 24 divisors (see below), whose sum is σ = 14117398848. Its totient is φ = 3955069440.

The previous prime is 7988542669. The next prime is 7988542693. The reversal of 7988542684 is 4862458897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487789 + ... + 503899.

It is an arithmetic number, because the mean of its divisors is an integer number (588224952).

Almost surely, 2^7988542684 is an apocalyptic number.

It is an amenable number.

7988542684 is a deficient number, since it is larger than the sum of its proper divisors (6128856164).

7988542684 is a wasteful number, since it uses less digits than its factorization.

7988542684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17325 (or 17323 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 61.

The square root of 7988542684 is about 89378.6478080755. The cubic root of 7988542684 is about 1999.0447675047.

The spelling of 7988542684 in words is "seven billion, nine hundred eighty-eight million, five hundred forty-two thousand, six hundred eighty-four".