8287284251 has 4 divisors (see below), whose sum is σ = 8287500000. Its totient is φ = 8287068504.

The previous prime is 8287284233. The next prime is 8287284323. The reversal of 8287284251 is 1524827828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8287284251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8287284196 and 8287284205.

It is not an unprimeable number, because it can be changed into a prime (8287214251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32876 + ... + 132873.

It is an arithmetic number, because the mean of its divisors is an integer number (2071875000).

Almost surely, 2^8287284251 is an apocalyptic number.

8287284251 is a deficient number, since it is larger than the sum of its proper divisors (215749).

8287284251 is a wasteful number, since it uses less digits than its factorization.

8287284251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215748.

The product of its digits is 573440, while the sum is 47.

The square root of 8287284251 is about 91034.5223033548. The cubic root of 8287284251 is about 2023.6593677666.

The spelling of 8287284251 in words is "eight billion, two hundred eighty-seven million, two hundred eighty-four thousand, two hundred fifty-one".