806785698420 has 576 divisors, whose sum is σ = 2943235975680. Its totient is φ = 176722477056.

The previous prime is 806785698419. The next prime is 806785698427. The reversal of 806785698420 is 24896587608.

806785698420 is a `hidden beast` number, since 8 + 0 + 6 + 78 + 56 + 98 + 420 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806785698427) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 622039212 + ... + 622040508.

It is an arithmetic number, because the mean of its divisors is an integer number (5109784680).

Almost surely, 2^806785698420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806785698420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471617987840).

806785698420 is an abundant number, since it is smaller than the sum of its proper divisors (2136450277260).

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

806785698420 is a wasteful number, since it uses less digits than its factorization.

806785698420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 806785698420 in words is "eight hundred six billion, seven hundred eighty-five million, six hundred ninety-eight thousand, four hundred twenty".