68287087 has 8 divisors (see below), whose sum is σ = 74570832. Its totient is φ = 62016000.

The previous prime is 68287081. The next prime is 68287097. The reversal of 68287087 is 78078286.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68287087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68287081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10837 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (9321354).

Almost surely, 2^68287087 is an apocalyptic number.

68287087 is a deficient number, since it is larger than the sum of its proper divisors (6283745).

68287087 is a wasteful number, since it uses less digits than its factorization.

68287087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 68287087 is about 8263.6001234329. The cubic root of 68287087 is about 408.7391106464.

The spelling of 68287087 in words is "sixty-eight million, two hundred eighty-seven thousand, eighty-seven".