818321970876 has 24 divisors (see below), whose sum is σ = 1935574344144. Its totient is φ = 269037360000.

The previous prime is 818321970839. The next prime is 818321970989. The reversal of 818321970876 is 678079123818.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467077875 + ... + 467079626.

It is an arithmetic number, because the mean of its divisors is an integer number (80648931006).

Almost surely, 2^818321970876 is an apocalyptic number.

It is an amenable number.

818321970876 is an abundant number, since it is smaller than the sum of its proper divisors (1117252373268).

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

818321970876 is a wasteful number, since it uses less digits than its factorization.

818321970876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934157581 (or 934157579 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 818321970876 in words is "eight hundred eighteen billion, three hundred twenty-one million, nine hundred seventy thousand, eight hundred seventy-six".