68722809825599 has 8 divisors (see below), whose sum is σ = 72468289703040. Its totient is φ = 64990178936856.

The previous prime is 68722809825589. The next prime is 68722809825641. The reversal of 68722809825599 is 99552890822786.

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 68722809825599 - 2³⁶ = 68654090348863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68722809825589) 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, 3212236187 + ... + 3212257580.

It is an arithmetic number, because the mean of its divisors is an integer number (9058536212880).

Almost surely, 2^{68722809825599} is an apocalyptic number.

68722809825599 is a deficient number, since it is larger than the sum of its proper divisors (3745479877441).

68722809825599 is a wasteful number, since it uses less digits than its factorization.

68722809825599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424494349.

The product of its (nonzero) digits is 3135283200, while the sum is 80.

The spelling of 68722809825599 in words is "sixty-eight trillion, seven hundred twenty-two billion, eight hundred nine million, eight hundred twenty-five thousand, five hundred ninety-nine".