68411871 has 20 divisors (see below), whose sum is σ = 111487464. Its totient is φ = 41461200.

The previous prime is 68411851. The next prime is 68411873. The reversal of 68411871 is 17811486.

It is not a de Polignac number, because 68411871 - 2¹⁴ = 68395487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68411873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37500 + ... + 39281.

Almost surely, 2^68411871 is an apocalyptic number.

68411871 is a deficient number, since it is larger than the sum of its proper divisors (43075593).

68411871 is a wasteful number, since it uses less digits than its factorization.

68411871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76804 (or 76795 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 68411871 is about 8271.1468974986. The cubic root of 68411871 is about 408.9879281393.

The spelling of 68411871 in words is "sixty-eight million, four hundred eleven thousand, eight hundred seventy-one".