27234762878561 has 8 divisors (see below), whose sum is σ = 31153920373824. Its totient is φ = 23322724654320.

The previous prime is 27234762878537. The next prime is 27234762878593. The reversal of 27234762878561 is 16587826743272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27234762878561 - 2³⁴ = 27217583009377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27234762878491 and 27234762878500.

It is not an unprimeable number, because it can be changed into a prime (27234762818561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779809555 + ... + 1779824856.

It is an arithmetic number, because the mean of its divisors is an integer number (3894240046728).

Almost surely, 2^{27234762878561} is an apocalyptic number.

It is an amenable number.

27234762878561 is a deficient number, since it is larger than the sum of its proper divisors (3919157495263).

27234762878561 is a wasteful number, since it uses less digits than its factorization.

27234762878561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559635511.

The product of its digits is 379330560, while the sum is 68.

The spelling of 27234762878561 in words is "twenty-seven trillion, two hundred thirty-four billion, seven hundred sixty-two million, eight hundred seventy-eight thousand, five hundred sixty-one".