27487209045 has 32 divisors (see below), whose sum is σ = 45483909120. Its totient is φ = 14166285120.

The previous prime is 27487209023. The next prime is 27487209049. The reversal of 27487209045 is 54090278472.

It is not a de Polignac number, because 27487209045 - 2⁸ = 27487208789 is a prime.

It is a super-2 number, since 2×27487209045² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27487208985 and 27487209003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27487209049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191071 + ... + 302460.

It is an arithmetic number, because the mean of its divisors is an integer number (1421372160).

Almost surely, 2^27487209045 is an apocalyptic number.

It is an amenable number.

27487209045 is a deficient number, since it is larger than the sum of its proper divisors (17996700075).

27487209045 is a wasteful number, since it uses less digits than its factorization.

27487209045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493665.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 27487209045 in words is "twenty-seven billion, four hundred eighty-seven million, two hundred nine thousand, forty-five".