27507306897 has 24 divisors (see below), whose sum is σ = 45413538560. Its totient is φ = 15716851200.

The previous prime is 27507306881. The next prime is 27507306901. The reversal of 27507306897 is 79860370572.

27507306897 is a `hidden beast` number, since 27 + 507 + 30 + 6 + 89 + 7 = 666.

It is not a de Polignac number, because 27507306897 - 2⁴ = 27507306881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27507306097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892104 + ... + 922422.

Almost surely, 2^27507306897 is an apocalyptic number.

It is an amenable number.

27507306897 is a deficient number, since it is larger than the sum of its proper divisors (17906231663).

27507306897 is a wasteful number, since it uses less digits than its factorization.

27507306897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44733 (or 44730 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 27507306897 in words is "twenty-seven billion, five hundred seven million, three hundred six thousand, eight hundred ninety-seven".