680900101 has 8 divisors (see below), whose sum is σ = 778345344. Its totient is φ = 583498320.

The previous prime is 680900083. The next prime is 680900123. The reversal of 680900101 is 101009086.

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

It is a cyclic number.

It is not a de Polignac number, because 680900101 - 2¹³ = 680891909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680900401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36471 + ... + 51883.

It is an arithmetic number, because the mean of its divisors is an integer number (97293168).

Almost surely, 2^680900101 is an apocalyptic number.

It is an amenable number.

680900101 is a deficient number, since it is larger than the sum of its proper divisors (97445243).

680900101 is a wasteful number, since it uses less digits than its factorization.

680900101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21731.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 680900101 is about 26094.0625621999. The cubic root of 680900101 is about 879.7537624587.

Adding to 680900101 its reverse (101009086), we get a palindrome (781909187).

The spelling of 680900101 in words is "six hundred eighty million, nine hundred thousand, one hundred one".