68589287 has 8 divisors (see below), whose sum is σ = 74141760. Its totient is φ = 63076320.

The previous prime is 68589281. The next prime is 68589299. The reversal of 68589287 is 78298586.

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 68589287 - 2⁶ = 68589223 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 (68589281) 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, 6212 + ... + 13257.

It is an arithmetic number, because the mean of its divisors is an integer number (9267720).

Almost surely, 2^68589287 is an apocalyptic number.

68589287 is a deficient number, since it is larger than the sum of its proper divisors (5552473).

68589287 is a wasteful number, since it uses less digits than its factorization.

68589287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753.

The product of its digits is 1935360, while the sum is 53.

The square root of 68589287 is about 8281.8649469790. The cubic root of 68589287 is about 409.3411727152.

The spelling of 68589287 in words is "sixty-eight million, five hundred eighty-nine thousand, two hundred eighty-seven".