8543348987 has 2 divisors, whose sum is σ = 8543348988. Its totient is φ = 8543348986.

The previous prime is 8543348969. The next prime is 8543348999. The reversal of 8543348987 is 7898433458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8543348987 - 2¹² = 8543344891 is a prime.

It is not a weakly prime, because it can be changed into another prime (8543342987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271674493 + 4271674494.

It is an arithmetic number, because the mean of its divisors is an integer number (4271674494).

Almost surely, 2^8543348987 is an apocalyptic number.

8543348987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8543348987 is an equidigital number, since it uses as much as digits as its factorization.

8543348987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 59.

The square root of 8543348987 is about 92430.2384882783. The cubic root of 8543348987 is about 2044.2909956597.

The spelling of 8543348987 in words is "eight billion, five hundred forty-three million, three hundred forty-eight thousand, nine hundred eighty-seven".