68263359 has 4 divisors (see below), whose sum is σ = 91017816. Its totient is φ = 45508904.

The previous prime is 68263357. The next prime is 68263367. The reversal of 68263359 is 95336286.

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 68263359 - 2¹ = 68263357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68263359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68263357) 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, 11377224 + ... + 11377229.

It is an arithmetic number, because the mean of its divisors is an integer number (22754454).

Almost surely, 2^68263359 is an apocalyptic number.

68263359 is a deficient number, since it is larger than the sum of its proper divisors (22754457).

68263359 is a wasteful number, since it uses less digits than its factorization.

68263359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22754456.

The product of its digits is 233280, while the sum is 42.

The square root of 68263359 is about 8262.1643048296. The cubic root of 68263359 is about 408.6917630654.

The spelling of 68263359 in words is "sixty-eight million, two hundred sixty-three thousand, three hundred fifty-nine".