68887296799 has 4 divisors (see below), whose sum is σ = 69349627800. Its totient is φ = 68424965800.

The previous prime is 68887296763. The next prime is 68887296809. The reversal of 68887296799 is 99769278886.

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 68887296799 - 2¹⁵ = 68887264031 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 (68887296199) 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, 231165277 + ... + 231165574.

It is an arithmetic number, because the mean of its divisors is an integer number (17337406950).

Almost surely, 2^68887296799 is an apocalyptic number.

68887296799 is a deficient number, since it is larger than the sum of its proper divisors (462331001).

68887296799 is a wasteful number, since it uses less digits than its factorization.

68887296799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462331000.

The product of its digits is 1316818944, while the sum is 79.

The spelling of 68887296799 in words is "sixty-eight billion, eight hundred eighty-seven million, two hundred ninety-six thousand, seven hundred ninety-nine".