680025662 has 4 divisors (see below), whose sum is σ = 1020038496. Its totient is φ = 340012830.

The previous prime is 680025629. The next prime is 680025707. The reversal of 680025662 is 266520086.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170006414 + ... + 170006417.

It is an arithmetic number, because the mean of its divisors is an integer number (255009624).

Almost surely, 2^680025662 is an apocalyptic number.

680025662 is a deficient number, since it is larger than the sum of its proper divisors (340012834).

680025662 is a wasteful number, since it uses less digits than its factorization.

680025662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340012833.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 680025662 is about 26077.3016625570. The cubic root of 680025662 is about 879.3769961987.

The spelling of 680025662 in words is "six hundred eighty million, twenty-five thousand, six hundred sixty-two".