687303111106 has 4 divisors (see below), whose sum is σ = 1030954666662. Its totient is φ = 343651555552.

The previous prime is 687303111097. The next prime is 687303111109. The reversal of 687303111106 is 601111303786.

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

It can be written as a sum of positive squares in only one way, i.e., 682664275225 + 4638835881 = 826235^2 + 68109^2 .

It is not an unprimeable number, because it can be changed into a prime (687303111109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171825777775 + ... + 171825777778.

Almost surely, 2^687303111106 is an apocalyptic number.

687303111106 is a deficient number, since it is larger than the sum of its proper divisors (343651555556).

687303111106 is a wasteful number, since it uses less digits than its factorization.

687303111106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343651555555.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 687303111106 in words is "six hundred eighty-seven billion, three hundred three million, one hundred eleven thousand, one hundred six".