27472909485 has 64 divisors (see below), whose sum is σ = 50610313728. Its totient is φ = 12465767424.

The previous prime is 27472909427. The next prime is 27472909493. The reversal of 27472909485 is 58490927472.

It is not a de Polignac number, because 27472909485 - 2¹¹ = 27472907437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18400399 + ... + 18401891.

It is an arithmetic number, because the mean of its divisors is an integer number (790786152).

Almost surely, 2^27472909485 is an apocalyptic number.

It is an amenable number.

27472909485 is a deficient number, since it is larger than the sum of its proper divisors (23137404243).

27472909485 is a wasteful number, since it uses less digits than its factorization.

27472909485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 27472909485 in words is "twenty-seven billion, four hundred seventy-two million, nine hundred nine thousand, four hundred eighty-five".