7089887291 has 2 divisors, whose sum is σ = 7089887292. Its totient is φ = 7089887290.

The previous prime is 7089887267. The next prime is 7089887293. The reversal of 7089887291 is 1927889807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7089887291 - 2³⁰ = 6016145467 is a prime.

Together with 7089887293, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7089887291.

It is not a weakly prime, because it can be changed into another prime (7089887293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3544943645 + 3544943646.

It is an arithmetic number, because the mean of its divisors is an integer number (3544943646).

Almost surely, 2^7089887291 is an apocalyptic number.

7089887291 is a deficient number, since it is larger than the sum of its proper divisors (1).

7089887291 is an equidigital number, since it uses as much as digits as its factorization.

7089887291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 59.

The square root of 7089887291 is about 84201.4684610666. The cubic root of 7089887291 is about 1921.0843927677.

The spelling of 7089887291 in words is "seven billion, eighty-nine million, eight hundred eighty-seven thousand, two hundred ninety-one".