27054329899 has 4 divisors (see below), whose sum is σ = 28230605136. Its totient is φ = 25878054664.

The previous prime is 27054329893. The next prime is 27054329917. The reversal of 27054329899 is 99892345072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27054329899 - 2²¹ = 27052232747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27054329893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588137584 + ... + 588137629.

It is an arithmetic number, because the mean of its divisors is an integer number (7057651284).

Almost surely, 2^27054329899 is an apocalyptic number.

27054329899 is a deficient number, since it is larger than the sum of its proper divisors (1176275237).

27054329899 is a wasteful number, since it uses less digits than its factorization.

27054329899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176275236.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 27054329899 in words is "twenty-seven billion, fifty-four million, three hundred twenty-nine thousand, eight hundred ninety-nine".