8043170987 has 2 divisors, whose sum is σ = 8043170988. Its totient is φ = 8043170986.

The previous prime is 8043170977. The next prime is 8043171041. The reversal of 8043170987 is 7890713408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8043170987 - 2¹² = 8043166891 is a prime.

It is a super-2 number, since 2×8043170987² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8043170977) 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, 4021585493 + 4021585494.

It is an arithmetic number, because the mean of its divisors is an integer number (4021585494).

Almost surely, 2^8043170987 is an apocalyptic number.

8043170987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8043170987 is an equidigital number, since it uses as much as digits as its factorization.

8043170987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 8043170987 is about 89683.7275485358. The cubic root of 8043170987 is about 2003.5911302823.

The spelling of 8043170987 in words is "eight billion, forty-three million, one hundred seventy thousand, nine hundred eighty-seven".