687107053067 has 4 divisors (see below), whose sum is σ = 687127874160. Its totient is φ = 687086231976.

The previous prime is 687107053043. The next prime is 687107053069. The reversal of 687107053067 is 760350701786.

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 687107053067 - 2¹⁶ = 687106987531 is a prime.

It is a super-2 number, since 2×687107053067² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (687107053069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10360967 + ... + 10427072.

It is an arithmetic number, because the mean of its divisors is an integer number (171781968540).

Almost surely, 2^687107053067 is an apocalyptic number.

687107053067 is a deficient number, since it is larger than the sum of its proper divisors (20821093).

687107053067 is a wasteful number, since it uses less digits than its factorization.

687107053067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20821092.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 687107053067 in words is "six hundred eighty-seven billion, one hundred seven million, fifty-three thousand, sixty-seven".