68457476867 has 8 divisors (see below), whose sum is σ = 75292021056. Its totient is φ = 61847016192.

The previous prime is 68457476839. The next prime is 68457476869. The reversal of 68457476867 is 76867475486.

It is a happy number.

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

It is not a de Polignac number, because 68457476867 - 2¹⁸ = 68457214723 is a prime.

It is a super-2 number, since 2×68457476867² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68457476797 and 68457476806.

It is not an unprimeable number, because it can be changed into a prime (68457476869) 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, 56020238 + ... + 56021459.

It is an arithmetic number, because the mean of its divisors is an integer number (9411502632).

Almost surely, 2^68457476867 is an apocalyptic number.

68457476867 is a deficient number, since it is larger than the sum of its proper divisors (6834544189).

68457476867 is a wasteful number, since it uses less digits than its factorization.

68457476867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112041757.

The product of its digits is 379330560, while the sum is 68.

The spelling of 68457476867 in words is "sixty-eight billion, four hundred fifty-seven million, four hundred seventy-six thousand, eight hundred sixty-seven".