27466487808 has 96 divisors (see below), whose sum is σ = 73576601280. Its totient is φ = 9111674880.

The previous prime is 27466487773. The next prime is 27466487821. The reversal of 27466487808 is 80878466472.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285791 + ... + 1306977.

It is an arithmetic number, because the mean of its divisors is an integer number (766422930).

Almost surely, 2^27466487808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27466487808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36788300640).

27466487808 is an abundant number, since it is smaller than the sum of its proper divisors (46110113472).

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

27466487808 is a wasteful number, since it uses less digits than its factorization.

27466487808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21423 (or 21403 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 27466487808 in words is "twenty-seven billion, four hundred sixty-six million, four hundred eighty-seven thousand, eight hundred eight".