680380147 has 4 divisors (see below), whose sum is σ = 680440360. Its totient is φ = 680319936.

The previous prime is 680380111. The next prime is 680380163. The reversal of 680380147 is 741083086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 680380147 - 2²³ = 671991539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680380187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7497 + ... + 37642.

It is an arithmetic number, because the mean of its divisors is an integer number (170110090).

Almost surely, 2^680380147 is an apocalyptic number.

680380147 is a deficient number, since it is larger than the sum of its proper divisors (60213).

680380147 is a wasteful number, since it uses less digits than its factorization.

680380147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60212.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 680380147 is about 26084.0975883775. The cubic root of 680380147 is about 879.5297707295.

The spelling of 680380147 in words is "six hundred eighty million, three hundred eighty thousand, one hundred forty-seven".