688008094 has 8 divisors (see below), whose sum is σ = 1033921368. Its totient is φ = 343367640.

The previous prime is 688008091. The next prime is 688008133. The reversal of 688008094 is 490800886.

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

It is a super-4 number, since 4×688008094⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 688008094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688008091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316852 + ... + 319015.

It is an arithmetic number, because the mean of its divisors is an integer number (129240171).

Almost surely, 2^688008094 is an apocalyptic number.

688008094 is a deficient number, since it is larger than the sum of its proper divisors (345913274).

688008094 is a wasteful number, since it uses less digits than its factorization.

688008094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636410.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 688008094 is about 26229.9083871828. The cubic root of 688008094 is about 882.8044543892.

The spelling of 688008094 in words is "six hundred eighty-eight million, eight thousand, ninety-four".