818249882 has 8 divisors (see below), whose sum is σ = 1299573396. Its totient is φ = 385058752.

The previous prime is 818249879. The next prime is 818249893. The reversal of 818249882 is 288942818.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 705486721 + 112763161 = 26561^2 + 10619^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 818249882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12033053 + ... + 12033120.

Almost surely, 2^818249882 is an apocalyptic number.

818249882 is a deficient number, since it is larger than the sum of its proper divisors (481323514).

818249882 is a wasteful number, since it uses less digits than its factorization.

818249882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24066192.

The product of its digits is 589824, while the sum is 50.

The square root of 818249882 is about 28605.0674182041. The cubic root of 818249882 is about 935.3237964590.

The spelling of 818249882 in words is "eight hundred eighteen million, two hundred forty-nine thousand, eight hundred eighty-two".