680468027 has 4 divisors (see below), whose sum is σ = 720495576. Its totient is φ = 640440480.

The previous prime is 680468023. The next prime is 680468029. The reversal of 680468027 is 720864086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680468027 - 2² = 680468023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680468023) 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, 20013749 + ... + 20013782.

It is an arithmetic number, because the mean of its divisors is an integer number (180123894).

Almost surely, 2^680468027 is an apocalyptic number.

680468027 is a deficient number, since it is larger than the sum of its proper divisors (40027549).

680468027 is a wasteful number, since it uses less digits than its factorization.

680468027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40027548.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 680468027 is about 26085.7820852663. The cubic root of 680468027 is about 879.5676366927.

The spelling of 680468027 in words is "six hundred eighty million, four hundred sixty-eight thousand, twenty-seven".