7995005987 has 2 divisors, whose sum is σ = 7995005988. Its totient is φ = 7995005986.

The previous prime is 7995005983. The next prime is 7995005999. The reversal of 7995005987 is 7895005997.

7995005987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7995005987 - 2² = 7995005983 is a prime.

It is not a weakly prime, because it can be changed into another prime (7995005983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997502993 + 3997502994.

It is an arithmetic number, because the mean of its divisors is an integer number (3997502994).

Almost surely, 2^7995005987 is an apocalyptic number.

7995005987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7995005987 is an equidigital number, since it uses as much as digits as its factorization.

7995005987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7144200, while the sum is 59.

The square root of 7995005987 is about 89414.7973603922. The cubic root of 7995005987 is about 1999.5837456222.

The spelling of 7995005987 in words is "seven billion, nine hundred ninety-five million, five thousand, nine hundred eighty-seven".