68587311 has 16 divisors (see below), whose sum is σ = 102767616. Its totient is φ = 40371936.

The previous prime is 68587289. The next prime is 68587327. The reversal of 68587311 is 11378586.

It is not a de Polignac number, because 68587311 - 2⁹ = 68586799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 68587311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68587331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37335 + ... + 39128.

It is an arithmetic number, because the mean of its divisors is an integer number (6422976).

Almost surely, 2^68587311 is an apocalyptic number.

68587311 is a deficient number, since it is larger than the sum of its proper divisors (34180305).

68587311 is a wasteful number, since it uses less digits than its factorization.

68587311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76502.

The product of its digits is 40320, while the sum is 39.

The square root of 68587311 is about 8281.7456493181. The cubic root of 68587311 is about 409.3372417519.

The spelling of 68587311 in words is "sixty-eight million, five hundred eighty-seven thousand, three hundred eleven".