68976965907 has 8 divisors (see below), whose sum is σ = 102188097680. Its totient is φ = 45984643920.

The previous prime is 68976965899. The next prime is 68976965917. The reversal of 68976965907 is 70956967986.

It is not a de Polignac number, because 68976965907 - 2³ = 68976965899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68976965917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277351194 + ... + 1277351247.

It is an arithmetic number, because the mean of its divisors is an integer number (12773512210).

Almost surely, 2^68976965907 is an apocalyptic number.

68976965907 is a deficient number, since it is larger than the sum of its proper divisors (33211131773).

68976965907 is a wasteful number, since it uses less digits than its factorization.

68976965907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554702450 (or 2554702444 counting only the distinct ones).

The product of its (nonzero) digits is 308629440, while the sum is 72.

The spelling of 68976965907 in words is "sixty-eight billion, nine hundred seventy-six million, nine hundred sixty-five thousand, nine hundred seven".