8158824991 has 2 divisors, whose sum is σ = 8158824992. Its totient is φ = 8158824990.

The previous prime is 8158824959. The next prime is 8158825021. The reversal of 8158824991 is 1994288518.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8158824991 - 2⁵ = 8158824959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8158824391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079412495 + 4079412496.

It is an arithmetic number, because the mean of its divisors is an integer number (4079412496).

Almost surely, 2^8158824991 is an apocalyptic number.

8158824991 is a deficient number, since it is larger than the sum of its proper divisors (1).

8158824991 is an equidigital number, since it uses as much as digits as its factorization.

8158824991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 55.

The square root of 8158824991 is about 90326.2143068113. The cubic root of 8158824991 is about 2013.1487812509.

The spelling of 8158824991 in words is "eight billion, one hundred fifty-eight million, eight hundred twenty-four thousand, nine hundred ninety-one".