680227618 has 8 divisors (see below), whose sum is σ = 1166104512. Its totient is φ = 291526116.

The previous prime is 680227609. The next prime is 680227619. The reversal of 680227618 is 816722086.

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

It is a super-2 number, since 2×680227618² = 925419224579907848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680227619) 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 3 ways as a sum of consecutive naturals, for example, 24293830 + ... + 24293857.

It is an arithmetic number, because the mean of its divisors is an integer number (145763064).

Almost surely, 2^680227618 is an apocalyptic number.

680227618 is a deficient number, since it is larger than the sum of its proper divisors (485876894).

680227618 is a wasteful number, since it uses less digits than its factorization.

680227618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48587696.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 680227618 is about 26081.1736315680. The cubic root of 680227618 is about 879.4640408954.

The spelling of 680227618 in words is "six hundred eighty million, two hundred twenty-seven thousand, six hundred eighteen".