834213725780 has 12 divisors (see below), whose sum is σ = 1751848824180. Its totient is φ = 333685490304.

The previous prime is 834213725759. The next prime is 834213725803. The reversal of 834213725780 is 87527312438.

It can be written as a sum of positive squares in 2 ways, for example, as 297666265744 + 536547460036 = 545588^2 + 732494^2 .

It is a congruent number.

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, 20855343125 + ... + 20855343164.

It is an arithmetic number, because the mean of its divisors is an integer number (145987402015).

Almost surely, 2^834213725780 is an apocalyptic number.

It is an amenable number.

834213725780 is an abundant number, since it is smaller than the sum of its proper divisors (917635098400).

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

834213725780 is a wasteful number, since it uses less digits than its factorization.

834213725780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41710686298 (or 41710686296 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 834213725780 in words is "eight hundred thirty-four billion, two hundred thirteen million, seven hundred twenty-five thousand, seven hundred eighty".