8287891087 has 8 divisors (see below), whose sum is σ = 9627152672. Its totient is φ = 6987448800.

The previous prime is 8287891081. The next prime is 8287891099. The reversal of 8287891087 is 7801987828.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8287891087 - 2¹⁹ = 8287366799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8287891081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9704364 + ... + 9705217.

It is an arithmetic number, because the mean of its divisors is an integer number (1203394084).

Almost surely, 2^8287891087 is an apocalyptic number.

8287891087 is a deficient number, since it is larger than the sum of its proper divisors (1339261585).

8287891087 is a wasteful number, since it uses less digits than its factorization.

8287891087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19409649.

The product of its (nonzero) digits is 3612672, while the sum is 58.

The square root of 8287891087 is about 91037.8552416521. The cubic root of 8287891087 is about 2023.7087606817.

The spelling of 8287891087 in words is "eight billion, two hundred eighty-seven million, eight hundred ninety-one thousand, eighty-seven".