27073678321 has 8 divisors (see below), whose sum is σ = 28950073704. Its totient is φ = 25228819200.

The previous prime is 27073678319. The next prime is 27073678349. The reversal of 27073678321 is 12387637072.

It can be written as a sum of positive squares in 4 ways, for example, as 11292037696 + 15781640625 = 106264^2 + 125625^2 .

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 27073678321 - 2¹ = 27073678319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27073678351) 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, 7882290 + ... + 7885723.

It is an arithmetic number, because the mean of its divisors is an integer number (3618759213).

Almost surely, 2^27073678321 is an apocalyptic number.

It is an amenable number.

27073678321 is a deficient number, since it is larger than the sum of its proper divisors (1876395383).

27073678321 is a wasteful number, since it uses less digits than its factorization.

27073678321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768131.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 27073678321 in words is "twenty-seven billion, seventy-three million, six hundred seventy-eight thousand, three hundred twenty-one".