8247340587 has 4 divisors (see below), whose sum is σ = 10996454120. Its totient is φ = 5498227056.

The previous prime is 8247340573. The next prime is 8247340639. The reversal of 8247340587 is 7850437428.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8247340587 - 2⁶ = 8247340523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8247340487) 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 in 3 ways as a sum of consecutive naturals, for example, 1374556762 + ... + 1374556767.

It is an arithmetic number, because the mean of its divisors is an integer number (2749113530).

Almost surely, 2^8247340587 is an apocalyptic number.

8247340587 is a deficient number, since it is larger than the sum of its proper divisors (2749113533).

8247340587 is a wasteful number, since it uses less digits than its factorization.

8247340587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749113532.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The square root of 8247340587 is about 90814.8698562080. The cubic root of 8247340587 is about 2020.4028692754.

The spelling of 8247340587 in words is "eight billion, two hundred forty-seven million, three hundred forty thousand, five hundred eighty-seven".