68499255 has 16 divisors (see below), whose sum is σ = 119562624. Its totient is φ = 33211680.

The previous prime is 68499253. The next prime is 68499287. The reversal of 68499255 is 55299486.

It is not a de Polignac number, because 68499255 - 2¹ = 68499253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68499253) 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, 207409 + ... + 207738.

It is an arithmetic number, because the mean of its divisors is an integer number (7472664).

Almost surely, 2^68499255 is an apocalyptic number.

68499255 is a deficient number, since it is larger than the sum of its proper divisors (51063369).

68499255 is a wasteful number, since it uses less digits than its factorization.

68499255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415166.

The product of its digits is 777600, while the sum is 48.

The square root of 68499255 is about 8276.4276714051. The cubic root of 68499255 is about 409.1619904993.

The spelling of 68499255 in words is "sixty-eight million, four hundred ninety-nine thousand, two hundred fifty-five".