68987267 has 8 divisors (see below), whose sum is σ = 69521760. Its totient is φ = 68455360.

The previous prime is 68987239. The next prime is 68987311. The reversal of 68987267 is 76278986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68987267 - 2⁸ = 68987011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68989267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120959 + ... + 121527.

It is an arithmetic number, because the mean of its divisors is an integer number (8690220).

Almost surely, 2^68987267 is an apocalyptic number.

68987267 is a deficient number, since it is larger than the sum of its proper divisors (534493).

68987267 is a wasteful number, since it uses less digits than its factorization.

68987267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293.

The product of its digits is 2032128, while the sum is 53.

The square root of 68987267 is about 8305.8573910223. The cubic root of 68987267 is about 410.1313618341.

The spelling of 68987267 in words is "sixty-eight million, nine hundred eighty-seven thousand, two hundred sixty-seven".