8287997828 has 48 divisors (see below), whose sum is σ = 17635060800. Its totient is φ = 3359047680.

The previous prime is 8287997827. The next prime is 8287997831.

8287997828 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is not an unprimeable number, because it can be changed into a prime (8287997821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277373 + ... + 305796.

It is an arithmetic number, because the mean of its divisors is an integer number (367397100).

Almost surely, 2^8287997828 is an apocalyptic number.

It is an amenable number.

8287997828 is an abundant number, since it is smaller than the sum of its proper divisors (9347062972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8287997828 is a wasteful number, since it uses less digits than its factorization.

8287997828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583220 (or 583218 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 68.

The square root of 8287997828 is about 91038.4414849024. The cubic root of 8287997828 is about 2023.7174485279.

The spelling of 8287997828 in words is "eight billion, two hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred twenty-eight".