27282845738391 has 8 divisors (see below), whose sum is σ = 38291713317120. Its totient is φ = 17231270992632.

The previous prime is 27282845738381. The next prime is 27282845738399. The reversal of 27282845738391 is 19383754828272.

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

It is not a de Polignac number, because 27282845738391 - 2⁶ = 27282845738327 is a prime.

It is a super-2 number, since 2×27282845738391² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27282845738399) 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, 239323208175 + ... + 239323208288.

It is an arithmetic number, because the mean of its divisors is an integer number (4786464164640).

Almost surely, 2^{27282845738391} is an apocalyptic number.

27282845738391 is a deficient number, since it is larger than the sum of its proper divisors (11008867578729).

27282845738391 is a wasteful number, since it uses less digits than its factorization.

27282845738391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478646416485.

The product of its digits is 325140480, while the sum is 69.

The spelling of 27282845738391 in words is "twenty-seven trillion, two hundred eighty-two billion, eight hundred forty-five million, seven hundred thirty-eight thousand, three hundred ninety-one".