7983738147 has 96 divisors (see below), whose sum is σ = 13853790720. Its totient is φ = 4000550400.

The previous prime is 7983738137. The next prime is 7983738179. The reversal of 7983738147 is 7418373897.

It is a happy number.

It is not a de Polignac number, because 7983738147 - 2⁶ = 7983738083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7983738137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9723997 + ... + 9724817.

It is an arithmetic number, because the mean of its divisors is an integer number (144310320).

Almost surely, 2^7983738147 is an apocalyptic number.

7983738147 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

7983738147 is a deficient number, since it is larger than the sum of its proper divisors (5870052573).

7983738147 is a wasteful number, since it uses less digits than its factorization.

7983738147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 974 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 57.

The square root of 7983738147 is about 89351.7663339679. The cubic root of 7983738147 is about 1998.6439263232.

The spelling of 7983738147 in words is "seven billion, nine hundred eighty-three million, seven hundred thirty-eight thousand, one hundred forty-seven".