68476357499 has 8 divisors (see below), whose sum is σ = 75246748848. Its totient is φ = 61796844160.

The previous prime is 68476357489. The next prime is 68476357549. The reversal of 68476357499 is 99475367486.

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

It is a cyclic number.

It is not a de Polignac number, because 68476357499 - 2⁴ = 68476357483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68476357429) 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, 22717922 + ... + 22720935.

It is an arithmetic number, because the mean of its divisors is an integer number (9405843606).

Almost surely, 2^68476357499 is an apocalyptic number.

68476357499 is a deficient number, since it is larger than the sum of its proper divisors (6770391349).

68476357499 is a wasteful number, since it uses less digits than its factorization.

68476357499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45439005.

The product of its digits is 274337280, while the sum is 68.

The spelling of 68476357499 in words is "sixty-eight billion, four hundred seventy-six million, three hundred fifty-seven thousand, four hundred ninety-nine".