7983987607 has 4 divisors (see below), whose sum is σ = 7986079840. Its totient is φ = 7981895376.

The previous prime is 7983987601. The next prime is 7983987617. The reversal of 7983987607 is 7067893897.

7983987607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7983987607 - 2²³ = 7975598999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983987601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040382 + ... + 1048027.

It is an arithmetic number, because the mean of its divisors is an integer number (1996519960).

Almost surely, 2^7983987607 is an apocalyptic number.

7983987607 is a deficient number, since it is larger than the sum of its proper divisors (2092233).

7983987607 is a wasteful number, since it uses less digits than its factorization.

7983987607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092232.

The product of its (nonzero) digits is 32006016, while the sum is 64.

The square root of 7983987607 is about 89353.1622663686. The cubic root of 7983987607 is about 1998.6647426590.

The spelling of 7983987607 in words is "seven billion, nine hundred eighty-three million, nine hundred eighty-seven thousand, six hundred seven".