68279304893 has 8 divisors (see below), whose sum is σ = 68607731712. Its totient is φ = 67951589616.

The previous prime is 68279304833. The next prime is 68279304911. The reversal of 68279304893 is 39840397286.

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 68279304893 - 2¹² = 68279300797 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 (68279304833) 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, 14996 + ... + 369842.

It is an arithmetic number, because the mean of its divisors is an integer number (8575966464).

Almost surely, 2^68279304893 is an apocalyptic number.

It is an amenable number.

68279304893 is a deficient number, since it is larger than the sum of its proper divisors (328426819).

68279304893 is a wasteful number, since it uses less digits than its factorization.

68279304893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355771.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 68279304893 in words is "sixty-eight billion, two hundred seventy-nine million, three hundred four thousand, eight hundred ninety-three".