680283967 has 4 divisors (see below), whose sum is σ = 742127976. Its totient is φ = 618439960.

The previous prime is 680283959. The next prime is 680283977. The reversal of 680283967 is 769382086.

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 680283967 - 2³ = 680283959 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680283967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680283977) 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, 30921988 + ... + 30922009.

It is an arithmetic number, because the mean of its divisors is an integer number (185531994).

Almost surely, 2^680283967 is an apocalyptic number.

680283967 is a deficient number, since it is larger than the sum of its proper divisors (61844009).

680283967 is a wasteful number, since it uses less digits than its factorization.

680283967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61844008.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 680283967 is about 26082.2538711669. The cubic root of 680283967 is about 879.4883247036.

The spelling of 680283967 in words is "six hundred eighty million, two hundred eighty-three thousand, nine hundred sixty-seven".