68207863 has 4 divisors (see below), whose sum is σ = 68246640. Its totient is φ = 68169088.

The previous prime is 68207861. The next prime is 68207917. The reversal of 68207863 is 36870286.

It is a happy number.

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 68207863 - 2¹ = 68207861 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 (68207861) 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, 16618 + ... + 20311.

It is an arithmetic number, because the mean of its divisors is an integer number (17061660).

Almost surely, 2^68207863 is an apocalyptic number.

68207863 is a deficient number, since it is larger than the sum of its proper divisors (38777).

68207863 is a wasteful number, since it uses less digits than its factorization.

68207863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38776.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68207863 is about 8258.8051799277. The cubic root of 68207863 is about 408.5809817841.

The spelling of 68207863 in words is "sixty-eight million, two hundred seven thousand, eight hundred sixty-three".