27008899008 has 112 divisors (see below), whose sum is σ = 87952112640. Its totient is φ = 7123221504.

The previous prime is 27008899007. The next prime is 27008899009. The reversal of 27008899008 is 80099880072.

It is an interprime number because it is at equal distance from previous prime (27008899007) and next prime (27008899009).

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27008899007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755448 + ... + 790391.

It is an arithmetic number, because the mean of its divisors is an integer number (785286720).

Almost surely, 2^27008899008 is an apocalyptic number.

27008899008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27008899008 is an abundant number, since it is smaller than the sum of its proper divisors (60943213632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27008899008 is a wasteful number, since it uses less digits than its factorization.

27008899008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545874 (or 1545864 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 27008899008 in words is "twenty-seven billion, eight million, eight hundred ninety-nine thousand, eight".