68864463 has 6 divisors (see below), whose sum is σ = 99470904. Its totient is φ = 45909636.

The previous prime is 68864459. The next prime is 68864479. The reversal of 68864463 is 36446886.

It is not a de Polignac number, because 68864463 - 2² = 68864459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68864413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3825795 + ... + 3825812.

It is an arithmetic number, because the mean of its divisors is an integer number (16578484).

Almost surely, 2^68864463 is an apocalyptic number.

68864463 is a deficient number, since it is larger than the sum of its proper divisors (30606441).

68864463 is a wasteful number, since it uses less digits than its factorization.

68864463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651613 (or 7651610 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 68864463 is about 8298.4614839138. The cubic root of 68864463 is about 409.8878594756.

The spelling of 68864463 in words is "sixty-eight million, eight hundred sixty-four thousand, four hundred sixty-three".