7983423847 has 8 divisors (see below), whose sum is σ = 9127204352. Its totient is φ = 6840466200.

The previous prime is 7983423821. The next prime is 7983423853. The reversal of 7983423847 is 7483243897.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7983423847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983423047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184779 + ... + 223852.

It is an arithmetic number, because the mean of its divisors is an integer number (1140900544).

Almost surely, 2^7983423847 is an apocalyptic number.

7983423847 is a deficient number, since it is larger than the sum of its proper divisors (1143780505).

7983423847 is a wasteful number, since it uses less digits than its factorization.

7983423847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411429.

The product of its digits is 8128512, while the sum is 55.

The square root of 7983423847 is about 89350.0075377725. The cubic root of 7983423847 is about 1998.6176987584.

The spelling of 7983423847 in words is "seven billion, nine hundred eighty-three million, four hundred twenty-three thousand, eight hundred forty-seven".