68379663 has 16 divisors (see below), whose sum is σ = 102151296. Its totient is φ = 40321440.

The previous prime is 68379617. The next prime is 68379673. The reversal of 68379663 is 36697386.

It is a happy number.

It is not a de Polignac number, because 68379663 - 2⁶ = 68379599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68379673) 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, 26781 + ... + 29222.

It is an arithmetic number, because the mean of its divisors is an integer number (6384456).

Almost surely, 2^68379663 is an apocalyptic number.

68379663 is a deficient number, since it is larger than the sum of its proper divisors (33771633).

68379663 is a wasteful number, since it uses less digits than its factorization.

68379663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56054.

The product of its digits is 979776, while the sum is 48.

The square root of 68379663 is about 8269.1996589755. The cubic root of 68379663 is about 408.9237348409.

The spelling of 68379663 in words is "sixty-eight million, three hundred seventy-nine thousand, six hundred sixty-three".