27287680149 has 12 divisors (see below), whose sum is σ = 39417674400. Its totient is φ = 18190800744.

The previous prime is 27287680097. The next prime is 27287680183. The reversal of 27287680149 is 94108678272.

It is a happy number.

It is not a de Polignac number, because 27287680149 - 2⁹ = 27287679637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27287680095 and 27287680104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27287680549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119032 + ... + 262190.

It is an arithmetic number, because the mean of its divisors is an integer number (3284806200).

Almost surely, 2^27287680149 is an apocalyptic number.

It is an amenable number.

27287680149 is a deficient number, since it is larger than the sum of its proper divisors (12129994251).

27287680149 is a wasteful number, since it uses less digits than its factorization.

27287680149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164344 (or 164341 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 27287680149 in words is "twenty-seven billion, two hundred eighty-seven million, six hundred eighty thousand, one hundred forty-nine".