680029741765 has 16 divisors (see below), whose sum is σ = 890280463680. Its totient is φ = 494533912320.

The previous prime is 680029741697. The next prime is 680029741829. The reversal of 680029741765 is 567147920086.

It is not a de Polignac number, because 680029741765 - 2⁷ = 680029741637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428221 + ... + 1242349.

It is an arithmetic number, because the mean of its divisors is an integer number (55642528980).

Almost surely, 2^680029741765 is an apocalyptic number.

It is an amenable number.

680029741765 is a deficient number, since it is larger than the sum of its proper divisors (210250721915).

680029741765 is a wasteful number, since it uses less digits than its factorization.

680029741765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829332.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 680029741765 in words is "six hundred eighty billion, twenty-nine million, seven hundred forty-one thousand, seven hundred sixty-five".