27005428301 has 4 divisors (see below), whose sum is σ = 27021231900. Its totient is φ = 26989624704.

The previous prime is 27005428291. The next prime is 27005428313. The reversal of 27005428301 is 10382450072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11518870276 + 15486558025 = 107326^2 + 124445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27005428301 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 (27005428321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7899236 + ... + 7902653.

It is an arithmetic number, because the mean of its divisors is an integer number (6755307975).

Almost surely, 2^27005428301 is an apocalyptic number.

It is an amenable number.

27005428301 is a deficient number, since it is larger than the sum of its proper divisors (15803599).

27005428301 is a wasteful number, since it uses less digits than its factorization.

27005428301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15803598.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 27005428301 its reverse (10382450072), we get a palindrome (37387878373).

The spelling of 27005428301 in words is "twenty-seven billion, five million, four hundred twenty-eight thousand, three hundred one".