680194485 has 12 divisors (see below), whose sum is σ = 1179003852. Its totient is φ = 362770368.

The previous prime is 680194477. The next prime is 680194513. The reversal of 680194485 is 584491086.

680194485 is a `hidden beast` number, since 6 + 80 + 1 + 94 + 485 = 666.

680194485 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 350663076 + 329531409 = 18726^2 + 18153^2 .

It is not a de Polignac number, because 680194485 - 2³ = 680194477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 15115433 = 680194485 / (6 + 8 + 0 + 1 + 9 + 4 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 680194485.

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, 7557672 + ... + 7557761.

It is an arithmetic number, because the mean of its divisors is an integer number (98250321).

Almost surely, 2^680194485 is an apocalyptic number.

It is an amenable number.

680194485 is a deficient number, since it is larger than the sum of its proper divisors (498809367).

680194485 is a wasteful number, since it uses less digits than its factorization.

680194485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15115444 (or 15115441 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 680194485 is about 26080.5384338591. The cubic root of 680194485 is about 879.4497614815.

The spelling of 680194485 in words is "six hundred eighty million, one hundred ninety-four thousand, four hundred eighty-five".