68476539387 has 8 divisors (see below), whose sum is σ = 91760857600. Its totient is φ = 45421623720.

The previous prime is 68476539361. The next prime is 68476539403. The reversal of 68476539387 is 78393567486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68476539387 - 2¹⁰ = 68476538363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68476539317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57349939 + ... + 57351132.

It is an arithmetic number, because the mean of its divisors is an integer number (11470107200).

Almost surely, 2^68476539387 is an apocalyptic number.

68476539387 is a deficient number, since it is larger than the sum of its proper divisors (23284318213).

68476539387 is a wasteful number, since it uses less digits than its factorization.

68476539387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114701273.

The product of its digits is 182891520, while the sum is 66.

The spelling of 68476539387 in words is "sixty-eight billion, four hundred seventy-six million, five hundred thirty-nine thousand, three hundred eighty-seven".