68895727599 has 16 divisors (see below), whose sum is σ = 92433204864. Its totient is φ = 45644724000.

The previous prime is 68895727583. The next prime is 68895727609. The reversal of 68895727599 is 99572759886.

It is not a de Polignac number, because 68895727599 - 2⁴ = 68895727583 is a prime.

It is a super-2 number, since 2×68895727599² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68895727599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68895727529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744172 + ... + 831614.

It is an arithmetic number, because the mean of its divisors is an integer number (5777075304).

Almost surely, 2^68895727599 is an apocalyptic number.

68895727599 is a deficient number, since it is larger than the sum of its proper divisors (23537477265).

68895727599 is a wasteful number, since it uses less digits than its factorization.

68895727599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89078.

The product of its digits is 685843200, while the sum is 75.

The spelling of 68895727599 in words is "sixty-eight billion, eight hundred ninety-five million, seven hundred twenty-seven thousand, five hundred ninety-nine".