688670083 has 8 divisors (see below), whose sum is σ = 695764080. Its totient is φ = 681588480.

The previous prime is 688670041. The next prime is 688670089. The reversal of 688670083 is 380076886.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-688670083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (688670089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143263 + ... + 147991.

It is an arithmetic number, because the mean of its divisors is an integer number (86970510).

Almost surely, 2^688670083 is an apocalyptic number.

688670083 is a deficient number, since it is larger than the sum of its proper divisors (7093997).

688670083 is a wasteful number, since it uses less digits than its factorization.

688670083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 688670083 is about 26242.5243259866. The cubic root of 688670083 is about 883.0875031440.

The spelling of 688670083 in words is "six hundred eighty-eight million, six hundred seventy thousand, eighty-three".