68673963247 has 8 divisors (see below), whose sum is σ = 73971394560. Its totient is φ = 63569165880.

The previous prime is 68673963199. The next prime is 68673963251. The reversal of 68673963247 is 74236937686.

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 68673963247 - 2¹¹ = 68673961199 is a prime.

It is a super-2 number, since 2×68673963247² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68673963847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48157747 + ... + 48159172.

It is an arithmetic number, because the mean of its divisors is an integer number (9246424320).

Almost surely, 2^68673963247 is an apocalyptic number.

68673963247 is a deficient number, since it is larger than the sum of its proper divisors (5297431313).

68673963247 is a wasteful number, since it uses less digits than its factorization.

68673963247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96316973.

The product of its digits is 54867456, while the sum is 61.

The spelling of 68673963247 in words is "sixty-eight billion, six hundred seventy-three million, nine hundred sixty-three thousand, two hundred forty-seven".