68110687 has 8 divisors (see below), whose sum is σ = 75913200. Its totient is φ = 60729984.

The previous prime is 68110639. The next prime is 68110703. The reversal of 68110687 is 78601186.

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

It is not a de Polignac number, because 68110687 - 2²³ = 59722079 is a prime.

It is a super-2 number, since 2×68110687² = 9278131367223938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68110787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105112 + ... + 105757.

It is an arithmetic number, because the mean of its divisors is an integer number (9489150).

Almost surely, 2^68110687 is an apocalyptic number.

68110687 is a deficient number, since it is larger than the sum of its proper divisors (7802513).

68110687 is a wasteful number, since it uses less digits than its factorization.

68110687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210905.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 68110687 is about 8252.9199075236. The cubic root of 68110687 is about 408.3868539408.

The spelling of 68110687 in words is "sixty-eight million, one hundred ten thousand, six hundred eighty-seven".