27296135897 has 6 divisors (see below), whose sum is σ = 27369651582. Its totient is φ = 27222817152.

The previous prime is 27296135887. The next prime is 27296135899. The reversal of 27296135897 is 79853169272.

It can be written as a sum of positive squares in 3 ways, for example, as 1476788041 + 25819347856 = 38429^2 + 160684^2 .

It is not a de Polignac number, because 27296135897 - 2⁸ = 27296135641 is a prime.

It is a super-3 number, since 3×27296135897³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27296135899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41033 + ... + 237225.

It is an arithmetic number, because the mean of its divisors is an integer number (4561608597).

Almost surely, 2^27296135897 is an apocalyptic number.

It is an amenable number.

27296135897 is a deficient number, since it is larger than the sum of its proper divisors (73515685).

27296135897 is an frugal number, since it uses more digits than its factorization.

27296135897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196939 (or 196566 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 59.

The spelling of 27296135897 in words is "twenty-seven billion, two hundred ninety-six million, one hundred thirty-five thousand, eight hundred ninety-seven".