68887927 has 4 divisors (see below), whose sum is σ = 72940176. Its totient is φ = 64835680.

The previous prime is 68887919. The next prime is 68887933. The reversal of 68887927 is 72978886.

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 68887927 - 2³ = 68887919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68887937) 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, 2026099 + ... + 2026132.

It is an arithmetic number, because the mean of its divisors is an integer number (18235044).

Almost surely, 2^68887927 is an apocalyptic number.

68887927 is a deficient number, since it is larger than the sum of its proper divisors (4052249).

68887927 is a wasteful number, since it uses less digits than its factorization.

68887927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052248.

The product of its digits is 2709504, while the sum is 55.

The square root of 68887927 is about 8299.8751195425. The cubic root of 68887927 is about 409.9344075121.

The spelling of 68887927 in words is "sixty-eight million, eight hundred eighty-seven thousand, nine hundred twenty-seven".