7080090991 has 2 divisors, whose sum is σ = 7080090992. Its totient is φ = 7080090990.

The previous prime is 7080090959. The next prime is 7080091009. The reversal of 7080090991 is 1990900807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7080090991 - 2⁵ = 7080090959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7080090191) 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, 3540045495 + 3540045496.

It is an arithmetic number, because the mean of its divisors is an integer number (3540045496).

Almost surely, 2^7080090991 is an apocalyptic number.

7080090991 is a deficient number, since it is larger than the sum of its proper divisors (1).

7080090991 is an equidigital number, since it uses as much as digits as its factorization.

7080090991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 7080090991 is about 84143.2765644410. The cubic root of 7080090991 is about 1920.1991791883.

The spelling of 7080090991 in words is "seven billion, eighty million, ninety thousand, nine hundred ninety-one".