68664425238707 has 8 divisors (see below), whose sum is σ = 72716288842800. Its totient is φ = 64613981608704.

The previous prime is 68664425238697. The next prime is 68664425238733. The reversal of 68664425238707 is 70783252446686.

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 68664425238707 - 2¹⁶ = 68664425173171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68664425288707) 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, 354893957 + ... + 355087382.

It is an arithmetic number, because the mean of its divisors is an integer number (9089536105350).

Almost surely, 2^{68664425238707} is an apocalyptic number.

68664425238707 is a deficient number, since it is larger than the sum of its proper divisors (4051863604093).

68664425238707 is a wasteful number, since it uses less digits than its factorization.

68664425238707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709987045.

The product of its (nonzero) digits is 650280960, while the sum is 68.

The spelling of 68664425238707 in words is "sixty-eight trillion, six hundred sixty-four billion, four hundred twenty-five million, two hundred thirty-eight thousand, seven hundred seven".