68881271 has 8 divisors (see below), whose sum is σ = 71082144. Its totient is φ = 66705280.

The previous prime is 68881259. The next prime is 68881279. The reversal of 68881271 is 17218886.

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

It is a cyclic number.

It is not a de Polignac number, because 68881271 - 2¹⁰ = 68880247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68881279) 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, 515 + ... + 11748.

It is an arithmetic number, because the mean of its divisors is an integer number (8885268).

Almost surely, 2^68881271 is an apocalyptic number.

68881271 is a deficient number, since it is larger than the sum of its proper divisors (2200873).

68881271 is a wasteful number, since it uses less digits than its factorization.

68881271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441.

The product of its digits is 43008, while the sum is 41.

The square root of 68881271 is about 8299.4741399681. The cubic root of 68881271 is about 409.9212043699.

The spelling of 68881271 in words is "sixty-eight million, eight hundred eighty-one thousand, two hundred seventy-one".