68289783 has 16 divisors (see below), whose sum is σ = 95406336. Its totient is φ = 43366400.

The previous prime is 68289763. The next prime is 68289839. The reversal of 68289783 is 38798286.

It is a cyclic number.

It is not a de Polignac number, because 68289783 - 2¹⁷ = 68158711 is a prime.

It is a super-3 number, since 3×68289783³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68289703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15808 + ... + 19658.

It is an arithmetic number, because the mean of its divisors is an integer number (5962896).

Almost surely, 2^68289783 is an apocalyptic number.

68289783 is a deficient number, since it is larger than the sum of its proper divisors (27116553).

68289783 is a wasteful number, since it uses less digits than its factorization.

68289783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134.

The product of its digits is 1161216, while the sum is 51.

The square root of 68289783 is about 8263.7632468507. The cubic root of 68289783 is about 408.7444896338.

The spelling of 68289783 in words is "sixty-eight million, two hundred eighty-nine thousand, seven hundred eighty-three".