27172454401 has 16 divisors (see below), whose sum is σ = 29005331200. Its totient is φ = 25380770688.

The previous prime is 27172454389. The next prime is 27172454417. The reversal of 27172454401 is 10445427172.

It is a cyclic number.

It is not a de Polignac number, because 27172454401 - 2¹¹ = 27172452353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27172454461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087885 + ... + 1112581.

It is an arithmetic number, because the mean of its divisors is an integer number (1812833200).

Almost surely, 2^27172454401 is an apocalyptic number.

It is an amenable number.

27172454401 is a deficient number, since it is larger than the sum of its proper divisors (1832876799).

27172454401 is a wasteful number, since it uses less digits than its factorization.

27172454401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528.

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 27172454401 in words is "twenty-seven billion, one hundred seventy-two million, four hundred fifty-four thousand, four hundred one".