68650863 has 4 divisors (see below), whose sum is σ = 91534488. Its totient is φ = 45767240.

The previous prime is 68650843. The next prime is 68650889. The reversal of 68650863 is 36805686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68650863 - 2¹⁰ = 68649839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68650843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11441808 + ... + 11441813.

It is an arithmetic number, because the mean of its divisors is an integer number (22883622).

Almost surely, 2^68650863 is an apocalyptic number.

68650863 is a deficient number, since it is larger than the sum of its proper divisors (22883625).

68650863 is a wasteful number, since it uses less digits than its factorization.

68650863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22883624.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 68650863 is about 8285.5816331746. The cubic root of 68650863 is about 409.4636313583.

The spelling of 68650863 in words is "sixty-eight million, six hundred fifty thousand, eight hundred sixty-three".