819615882 has 32 divisors (see below), whose sum is σ = 1781176320. Its totient is φ = 250475760.

The previous prime is 819615877. The next prime is 819615887. The reversal of 819615882 is 288516918.

It is an interprime number because it is at equal distance from previous prime (819615877) and next prime (819615887).

It is not an unprimeable number, because it can be changed into a prime (819615887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112428 + ... + 119495.

It is an arithmetic number, because the mean of its divisors is an integer number (55661760).

Almost surely, 2^819615882 is an apocalyptic number.

819615882 is an abundant number, since it is smaller than the sum of its proper divisors (961560438).

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

819615882 is a wasteful number, since it uses less digits than its factorization.

819615882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231978.

The product of its digits is 276480, while the sum is 48.

The square root of 819615882 is about 28628.9343497099. The cubic root of 819615882 is about 935.8439888089.

The spelling of 819615882 in words is "eight hundred nineteen million, six hundred fifteen thousand, eight hundred eighty-two".