68916299 has 4 divisors (see below), whose sum is σ = 68999280. Its totient is φ = 68833320.

The previous prime is 68916277. The next prime is 68916301. The reversal of 68916299 is 99261986.

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 68916299 - 2²⁴ = 52139083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68912299) 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, 40232 + ... + 41909.

It is an arithmetic number, because the mean of its divisors is an integer number (17249820).

Almost surely, 2^68916299 is an apocalyptic number.

68916299 is a deficient number, since it is larger than the sum of its proper divisors (82981).

68916299 is an equidigital number, since it uses as much as digits as its factorization.

68916299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82980.

The product of its digits is 419904, while the sum is 50.

The square root of 68916299 is about 8301.5841259364. The cubic root of 68916299 is about 409.9906779558.

The spelling of 68916299 in words is "sixty-eight million, nine hundred sixteen thousand, two hundred ninety-nine".