68928279327 has 6 divisors (see below), whose sum is σ = 99563070152. Its totient is φ = 45952186212.

The previous prime is 68928279319. The next prime is 68928279331. The reversal of 68928279327 is 72397282986.

It is not a de Polignac number, because 68928279327 - 2³ = 68928279319 is a prime.

It is a super-2 number, since 2×68928279327² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68928279367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3829348843 + ... + 3829348860.

Almost surely, 2^68928279327 is an apocalyptic number.

68928279327 is a deficient number, since it is larger than the sum of its proper divisors (30634790825).

68928279327 is a wasteful number, since it uses less digits than its factorization.

68928279327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658697709 (or 7658697706 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 68928279327 in words is "sixty-eight billion, nine hundred twenty-eight million, two hundred seventy-nine thousand, three hundred twenty-seven".