680807437775 has 12 divisors (see below), whose sum is σ = 844566907800. Its totient is φ = 544410024480.

The previous prime is 680807437769. The next prime is 680807437787. The reversal of 680807437775 is 577734708086.

680807437775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680807437775 - 2¹² = 680807433679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5839265 + ... + 5954714.

It is an arithmetic number, because the mean of its divisors is an integer number (70380575650).

Almost surely, 2^680807437775 is an apocalyptic number.

680807437775 is a deficient number, since it is larger than the sum of its proper divisors (163759470025).

680807437775 is a wasteful number, since it uses less digits than its factorization.

680807437775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796298 (or 11796293 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 62.

The spelling of 680807437775 in words is "six hundred eighty billion, eight hundred seven million, four hundred thirty-seven thousand, seven hundred seventy-five".