820068818876 has 12 divisors (see below), whose sum is σ = 1435127085672. Its totient is φ = 410032508688.

The previous prime is 820068818873. The next prime is 820068818893. The reversal of 820068818876 is 678818860028.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820068818873) 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, 1014371 + ... + 1633733.

It is an arithmetic number, because the mean of its divisors is an integer number (119593923806).

Almost surely, 2^820068818876 is an apocalyptic number.

It is an amenable number.

820068818876 is a deficient number, since it is larger than the sum of its proper divisors (615058266796).

820068818876 is a wasteful number, since it uses less digits than its factorization.

820068818876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950380 (or 950378 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 62.

The spelling of 820068818876 in words is "eight hundred twenty billion, sixty-eight million, eight hundred eighteen thousand, eight hundred seventy-six".