68419863 has 8 divisors (see below), whose sum is σ = 101362800. Its totient is φ = 45613224.

The previous prime is 68419811. The next prime is 68419889. The reversal of 68419863 is 36891486.

It is not a de Polignac number, because 68419863 - 2²⁰ = 67371287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68419163) 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, 1267008 + ... + 1267061.

It is an arithmetic number, because the mean of its divisors is an integer number (12670350).

Almost surely, 2^68419863 is an apocalyptic number.

68419863 is a deficient number, since it is larger than the sum of its proper divisors (32942937).

68419863 is a wasteful number, since it uses less digits than its factorization.

68419863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534078 (or 2534072 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 68419863 is about 8271.6300086500. The cubic root of 68419863 is about 409.0038537586.

The spelling of 68419863 in words is "sixty-eight million, four hundred nineteen thousand, eight hundred sixty-three".