687063134 has 8 divisors (see below), whose sum is σ = 1032987168. Its totient is φ = 342734080.

The previous prime is 687063133. The next prime is 687063151. The reversal of 687063134 is 431360786.

687063134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687063133) 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, 397667 + ... + 399390.

It is an arithmetic number, because the mean of its divisors is an integer number (129123396).

Almost surely, 2^687063134 is an apocalyptic number.

687063134 is a deficient number, since it is larger than the sum of its proper divisors (345924034).

687063134 is a wasteful number, since it uses less digits than its factorization.

687063134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797490.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 687063134 is about 26211.8891726636. The cubic root of 687063134 is about 882.4001000801.

The spelling of 687063134 in words is "six hundred eighty-seven million, sixty-three thousand, one hundred thirty-four".