68117927076 has 24 divisors (see below), whose sum is σ = 176602033440. Its totient is φ = 22705975656.

The previous prime is 68117927027. The next prime is 68117927089. The reversal of 68117927076 is 67072971186.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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, 315360666 + ... + 315360881.

It is an arithmetic number, because the mean of its divisors is an integer number (7358418060).

Almost surely, 2^68117927076 is an apocalyptic number.

It is an amenable number.

68117927076 is an abundant number, since it is smaller than the sum of its proper divisors (108484106364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68117927076 is a wasteful number, since it uses less digits than its factorization.

68117927076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630721560 (or 630721552 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 68117927076 in words is "sixty-eight billion, one hundred seventeen million, nine hundred twenty-seven thousand, seventy-six".