680248518 has 8 divisors (see below), whose sum is σ = 1360497048. Its totient is φ = 226749504.

The previous prime is 680248493. The next prime is 680248549. The reversal of 680248518 is 815842086.

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

680248518 is an admirable number.

It is a super-3 number, since 3×680248518³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 680248518.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56687371 + ... + 56687382.

It is an arithmetic number, because the mean of its divisors is an integer number (170062131).

Almost surely, 2^680248518 is an apocalyptic number.

680248518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680248518 is a wasteful number, since it uses less digits than its factorization.

680248518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113374758.

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 680248518 is about 26081.5743006437. The cubic root of 680248518 is about 879.4730479835.

The spelling of 680248518 in words is "six hundred eighty million, two hundred forty-eight thousand, five hundred eighteen".