687113067 has 4 divisors (see below), whose sum is σ = 916150760. Its totient is φ = 458075376.

The previous prime is 687113059. The next prime is 687113087. The reversal of 687113067 is 760311786.

687113067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 687113067 - 2³ = 687113059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (687113087) 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, 114518842 + ... + 114518847.

It is an arithmetic number, because the mean of its divisors is an integer number (229037690).

Almost surely, 2^687113067 is an apocalyptic number.

687113067 is a deficient number, since it is larger than the sum of its proper divisors (229037693).

687113067 is a wasteful number, since it uses less digits than its factorization.

687113067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229037692.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 687113067 is about 26212.8416429810. The cubic root of 687113067 is about 882.4214759987.

The spelling of 687113067 in words is "six hundred eighty-seven million, one hundred thirteen thousand, sixty-seven".