680187619 has 8 divisors (see below), whose sum is σ = 695032128. Its totient is φ = 665358720.

The previous prime is 680187611. The next prime is 680187623. The reversal of 680187619 is 916781086.

680187619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 680187619 - 2³ = 680187611 is a prime.

It is a super-2 number, since 2×680187619² = 925310394081778322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680187611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144369 + ... + 149005.

It is an arithmetic number, because the mean of its divisors is an integer number (86879016).

Almost surely, 2^680187619 is an apocalyptic number.

680187619 is a deficient number, since it is larger than the sum of its proper divisors (14844509).

680187619 is a wasteful number, since it uses less digits than its factorization.

680187619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 680187619 is about 26080.4068028089. The cubic root of 680187619 is about 879.4468023659.

The spelling of 680187619 in words is "six hundred eighty million, one hundred eighty-seven thousand, six hundred nineteen".