68659099 has 4 divisors (see below), whose sum is σ = 69784720. Its totient is φ = 67533480.

The previous prime is 68659091. The next prime is 68659127. The reversal of 68659099 is 99095686.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68659099 - 2³ = 68659091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68659091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562719 + ... + 562840.

It is an arithmetic number, because the mean of its divisors is an integer number (17446180).

Almost surely, 2^68659099 is an apocalyptic number.

68659099 is a deficient number, since it is larger than the sum of its proper divisors (1125621).

68659099 is a wasteful number, since it uses less digits than its factorization.

68659099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125620.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The square root of 68659099 is about 8286.0786262260. The cubic root of 68659099 is about 409.4800050666.

The spelling of 68659099 in words is "sixty-eight million, six hundred fifty-nine thousand, ninety-nine".