680208785570 has 8 divisors (see below), whose sum is σ = 1224375814044. Its totient is φ = 272083514224.

The previous prime is 680208785569. The next prime is 680208785611. The reversal of 680208785570 is 75587802086.

680208785570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 618124591681 + 62084193889 = 786209^2 + 249167^2 .

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

It is a super-2 number, since 2×680208785570² (a number of 24 digits) contains 22 as substring.

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, 34010439269 + ... + 34010439288.

Almost surely, 2^680208785570 is an apocalyptic number.

680208785570 is a deficient number, since it is larger than the sum of its proper divisors (544167028474).

680208785570 is a wasteful number, since it uses less digits than its factorization.

680208785570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68020878564.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 680208785570 in words is "six hundred eighty billion, two hundred eight million, seven hundred eighty-five thousand, five hundred seventy".