68201577907 has 4 divisors (see below), whose sum is σ = 68460899760. Its totient is φ = 67942256056.

The previous prime is 68201577881. The next prime is 68201577953. The reversal of 68201577907 is 70977510286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68201577907 - 2²³ = 68193189299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68201577707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129660532 + ... + 129661057.

It is an arithmetic number, because the mean of its divisors is an integer number (17115224940).

Almost surely, 2^68201577907 is an apocalyptic number.

68201577907 is a deficient number, since it is larger than the sum of its proper divisors (259321853).

68201577907 is a wasteful number, since it uses less digits than its factorization.

68201577907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259321852.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 68201577907 in words is "sixty-eight billion, two hundred one million, five hundred seventy-seven thousand, nine hundred seven".