8182521284 has 12 divisors (see below), whose sum is σ = 16365042624. Its totient is φ = 3506794824.

The previous prime is 8182521283. The next prime is 8182521289. The reversal of 8182521284 is 4821252818.

8182521284 is an admirable number.

It is a super-2 number, since 2×8182521284² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8182521283) 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, 146116424 + ... + 146116479.

It is an arithmetic number, because the mean of its divisors is an integer number (1363753552).

Almost surely, 2^8182521284 is an apocalyptic number.

It is an amenable number.

8182521284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8182521284 is a wasteful number, since it uses less digits than its factorization.

8182521284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292232914 (or 292232912 counting only the distinct ones).

The product of its digits is 81920, while the sum is 41.

The square root of 8182521284 is about 90457.2898333794. The cubic root of 8182521284 is about 2015.0958775626.

The spelling of 8182521284 in words is "eight billion, one hundred eighty-two million, five hundred twenty-one thousand, two hundred eighty-four".