68924899 has 4 divisors (see below), whose sum is σ = 68947960. Its totient is φ = 68901840.

The previous prime is 68924897. The next prime is 68924917. The reversal of 68924899 is 99842986.

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 68924899 - 2¹ = 68924897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68924897) 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, 6237 + ... + 13294.

It is an arithmetic number, because the mean of its divisors is an integer number (17236990).

Almost surely, 2^68924899 is an apocalyptic number.

68924899 is a deficient number, since it is larger than the sum of its proper divisors (23061).

68924899 is a wasteful number, since it uses less digits than its factorization.

68924899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23060.

The product of its digits is 2239488, while the sum is 55.

The square root of 68924899 is about 8302.1020832076. The cubic root of 68924899 is about 410.0077313632.

The spelling of 68924899 in words is "sixty-eight million, nine hundred twenty-four thousand, eight hundred ninety-nine".