68255288 has 8 divisors (see below), whose sum is σ = 127978680. Its totient is φ = 34127640.

The previous prime is 68255287. The next prime is 68255303. The reversal of 68255288 is 88255286.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68255287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4265948 + ... + 4265963.

It is an arithmetic number, because the mean of its divisors is an integer number (15997335).

Almost surely, 2^68255288 is an apocalyptic number.

It is an amenable number.

68255288 is a deficient number, since it is larger than the sum of its proper divisors (59723392).

68255288 is a wasteful number, since it uses less digits than its factorization.

68255288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531917 (or 8531913 counting only the distinct ones).

The product of its digits is 307200, while the sum is 44.

The square root of 68255288 is about 8261.6758590494. The cubic root of 68255288 is about 408.6756554430.

The spelling of 68255288 in words is "sixty-eight million, two hundred fifty-five thousand, two hundred eighty-eight".