68099867 has 4 divisors (see below), whose sum is σ = 74290776. Its totient is φ = 61908960.

The previous prime is 68099833. The next prime is 68099873. The reversal of 68099867 is 76899086.

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 68099867 - 2¹⁰ = 68098843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68099827) 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, 3095438 + ... + 3095459.

It is an arithmetic number, because the mean of its divisors is an integer number (18572694).

Almost surely, 2^68099867 is an apocalyptic number.

68099867 is a deficient number, since it is larger than the sum of its proper divisors (6190909).

68099867 is a wasteful number, since it uses less digits than its factorization.

68099867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190908.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 68099867 is about 8252.2643559207. The cubic root of 68099867 is about 408.3652274777.

The spelling of 68099867 in words is "sixty-eight million, ninety-nine thousand, eight hundred sixty-seven".