27084896521 has 8 divisors (see below), whose sum is σ = 28206909000. Its totient is φ = 25975420800.

The previous prime is 27084896513. The next prime is 27084896539. The reversal of 27084896521 is 12569848072.

It can be written as a sum of positive squares in 4 ways, for example, as 821452921 + 26263443600 = 28661^2 + 162060^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27084896521 - 2³ = 27084896513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27084896551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3129780 + ... + 3138421.

It is an arithmetic number, because the mean of its divisors is an integer number (3525863625).

Almost surely, 2^27084896521 is an apocalyptic number.

It is an amenable number.

27084896521 is a deficient number, since it is larger than the sum of its proper divisors (1122012479).

27084896521 is a wasteful number, since it uses less digits than its factorization.

27084896521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268379.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 27084896521 in words is "twenty-seven billion, eighty-four million, eight hundred ninety-six thousand, five hundred twenty-one".