830780345485 has 8 divisors (see below), whose sum is σ = 1000484232696. Its totient is φ = 662259064320.

The previous prime is 830780345431. The next prime is 830780345489. The reversal of 830780345485 is 584543087038.

It can be written as a sum of positive squares in 4 ways, for example, as 338353949124 + 492426396361 = 581682^2 + 701731^2 .

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

It is not a de Polignac number, because 830780345485 - 2⁹ = 830780344973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830780345489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295649964 + ... + 295652773.

It is an arithmetic number, because the mean of its divisors is an integer number (125060529087).

Almost surely, 2^830780345485 is an apocalyptic number.

It is an amenable number.

830780345485 is a deficient number, since it is larger than the sum of its proper divisors (169703887211).

830780345485 is a wasteful number, since it uses less digits than its factorization.

830780345485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591303023.

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 830780345485 in words is "eight hundred thirty billion, seven hundred eighty million, three hundred forty-five thousand, four hundred eighty-five".