68678332975 has 48 divisors (see below), whose sum is σ = 97822238976. Its totient is φ = 46854720000.

The previous prime is 68678332937. The next prime is 68678332979. The reversal of 68678332975 is 57923387686.

It is not a de Polignac number, because 68678332975 - 2⁷ = 68678332847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68678332979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47331000 + ... + 47332450.

It is an arithmetic number, because the mean of its divisors is an integer number (2037963312).

Almost surely, 2^68678332975 is an apocalyptic number.

68678332975 is a deficient number, since it is larger than the sum of its proper divisors (29143906001).

68678332975 is a wasteful number, since it uses less digits than its factorization.

68678332975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656 (or 2651 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 64.

The spelling of 68678332975 in words is "sixty-eight billion, six hundred seventy-eight million, three hundred thirty-two thousand, nine hundred seventy-five".