68623078069 has 96 divisors (see below), whose sum is σ = 92171520000. Its totient is φ = 50753412864.

The previous prime is 68623078063. The next prime is 68623078099. The reversal of 68623078069 is 96087032686.

It is a happy number.

It is not a de Polignac number, because 68623078069 - 2³⁵ = 34263339701 is a prime.

It is a super-2 number, since 2×68623078069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68623078063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 143262972 + ... + 143263450.

It is an arithmetic number, because the mean of its divisors is an integer number (960120000).

Almost surely, 2^68623078069 is an apocalyptic number.

It is an amenable number.

68623078069 is a deficient number, since it is larger than the sum of its proper divisors (23548441931).

68623078069 is a wasteful number, since it uses less digits than its factorization.

68623078069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 68623078069 in words is "sixty-eight billion, six hundred twenty-three million, seventy-eight thousand, sixty-nine".