68814255 has 16 divisors (see below), whose sum is σ = 110331360. Its totient is φ = 36624768.

The previous prime is 68814247. The next prime is 68814259. The reversal of 68814255 is 55241886.

It is not a de Polignac number, because 68814255 - 2³ = 68814247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68814259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3129 + ... + 12141.

It is an arithmetic number, because the mean of its divisors is an integer number (6895710).

Almost surely, 2^68814255 is an apocalyptic number.

68814255 is a deficient number, since it is larger than the sum of its proper divisors (41517105).

68814255 is a wasteful number, since it uses less digits than its factorization.

68814255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530.

The product of its digits is 76800, while the sum is 39.

The square root of 68814255 is about 8295.4357932540. The cubic root of 68814255 is about 409.7882209866.

The spelling of 68814255 in words is "sixty-eight million, eight hundred fourteen thousand, two hundred fifty-five".