785886980 has 12 divisors (see below), whose sum is σ = 1650362700. Its totient is φ = 314354784.

The previous prime is 785886971. The next prime is 785886991. The reversal of 785886980 is 89688587.

It can be written as a sum of positive squares in 2 ways, for example, as 504721156 + 281165824 = 22466^2 + 16768^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19647155 + ... + 19647194.

It is an arithmetic number, because the mean of its divisors is an integer number (137530225).

Almost surely, 2^785886980 is an apocalyptic number.

It is an amenable number.

785886980 is an abundant number, since it is smaller than the sum of its proper divisors (864475720).

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

785886980 is a wasteful number, since it uses less digits than its factorization.

785886980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39294358 (or 39294356 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 59.

The square root of 785886980 is about 28033.6758203415. The cubic root of 785886980 is about 922.8264446916.

The spelling of 785886980 in words is "seven hundred eighty-five million, eight hundred eighty-six thousand, nine hundred eighty".