68251892799 has 16 divisors (see below), whose sum is σ = 91982874240. Its totient is φ = 45012289440.

The previous prime is 68251892749. The next prime is 68251892809. The reversal of 68251892799 is 99729815286.

It is a happy number.

It is not a de Polignac number, because 68251892799 - 2¹⁷ = 68251761727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68251892749) 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, 77644 + ... + 377534.

It is an arithmetic number, because the mean of its divisors is an integer number (5748929640).

Almost surely, 2^68251892799 is an apocalyptic number.

68251892799 is a deficient number, since it is larger than the sum of its proper divisors (23730981441).

68251892799 is a wasteful number, since it uses less digits than its factorization.

68251892799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300710.

The product of its digits is 39191040, while the sum is 66.

The spelling of 68251892799 in words is "sixty-eight billion, two hundred fifty-one million, eight hundred ninety-two thousand, seven hundred ninety-nine".