68504587 has 8 divisors (see below), whose sum is σ = 69659456. Its totient is φ = 67355712.

The previous prime is 68504581. The next prime is 68504599. The reversal of 68504587 is 78540586.

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-68504587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68504581) 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, 25513 + ... + 28069.

It is an arithmetic number, because the mean of its divisors is an integer number (8707432).

Almost surely, 2^68504587 is an apocalyptic number.

68504587 is a deficient number, since it is larger than the sum of its proper divisors (1154869).

68504587 is a wasteful number, since it uses less digits than its factorization.

68504587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 68504587 is about 8276.7497847887. The cubic root of 68504587 is about 409.1726066494.

The spelling of 68504587 in words is "sixty-eight million, five hundred four thousand, five hundred eighty-seven".