7906000891 has 2 divisors, whose sum is σ = 7906000892. Its totient is φ = 7906000890.

The previous prime is 7906000889. The next prime is 7906000901. The reversal of 7906000891 is 1980006097.

It is a weak prime.

It is an emirp because it is prime and its reverse (1980006097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7906000891 - 2¹ = 7906000889 is a prime.

Together with 7906000889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7906000691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3953000445 + 3953000446.

It is an arithmetic number, because the mean of its divisors is an integer number (3953000446).

Almost surely, 2^7906000891 is an apocalyptic number.

7906000891 is a deficient number, since it is larger than the sum of its proper divisors (1).

7906000891 is an equidigital number, since it uses as much as digits as its factorization.

7906000891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 7906000891 is about 88915.6954142518. The cubic root of 7906000891 is about 1992.1358590902.

The spelling of 7906000891 in words is "seven billion, nine hundred six million, eight hundred ninety-one", and thus it is an aban number.