820084810746 has 8 divisors (see below), whose sum is σ = 1640169621504. Its totient is φ = 273361603580.

The previous prime is 820084810651. The next prime is 820084810757. The reversal of 820084810746 is 647018480028.

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

820084810746 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 820084810695 and 820084810704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68340400890 + ... + 68340400901.

It is an arithmetic number, because the mean of its divisors is an integer number (205021202688).

Almost surely, 2^820084810746 is an apocalyptic number.

820084810746 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.

820084810746 is a wasteful number, since it uses less digits than its factorization.

820084810746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136680801796.

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 820084810746 in words is "eight hundred twenty billion, eighty-four million, eight hundred ten thousand, seven hundred forty-six".