7996459787 has 4 divisors (see below), whose sum is σ = 8092802760. Its totient is φ = 7900116816.

The previous prime is 7996459781. The next prime is 7996459799. The reversal of 7996459787 is 7879546997.

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 7996459787 - 2²⁰ = 7995411211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7996459787.

It is not an unprimeable number, because it can be changed into a prime (7996459781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48171362 + ... + 48171527.

It is an arithmetic number, because the mean of its divisors is an integer number (2023200690).

Almost surely, 2^7996459787 is an apocalyptic number.

7996459787 is a deficient number, since it is larger than the sum of its proper divisors (96342973).

7996459787 is an equidigital number, since it uses as much as digits as its factorization.

7996459787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96342972.

The product of its digits is 240045120, while the sum is 71.

The square root of 7996459787 is about 89422.9265177561. The cubic root of 7996459787 is about 1999.7049387216.

The spelling of 7996459787 in words is "seven billion, nine hundred ninety-six million, four hundred fifty-nine thousand, seven hundred eighty-seven".