68895889826399 has 4 divisors (see below), whose sum is σ = 71891363297136. Its totient is φ = 65900416355664.

The previous prime is 68895889826369. The next prime is 68895889826471. The reversal of 68895889826399 is 99362898859886.

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 68895889826399 - 2¹² = 68895889822303 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 (68895889826339) 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, 1497736735334 + ... + 1497736735379.

It is an arithmetic number, because the mean of its divisors is an integer number (17972840824284).

Almost surely, 2^{68895889826399} is an apocalyptic number.

68895889826399 is a deficient number, since it is larger than the sum of its proper divisors (2995473470737).

68895889826399 is a wasteful number, since it uses less digits than its factorization.

68895889826399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995473470736.

The product of its digits is 232190115840, while the sum is 98.

The spelling of 68895889826399 in words is "sixty-eight trillion, eight hundred ninety-five billion, eight hundred eighty-nine million, eight hundred twenty-six thousand, three hundred ninety-nine".