27135789880 has 16 divisors (see below), whose sum is σ = 61055527320. Its totient is φ = 10854315936.

The previous prime is 27135789859. The next prime is 27135789881. The reversal of 27135789880 is 8898753172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27135789881) 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 3 ways as a sum of consecutive naturals, for example, 339197334 + ... + 339197413.

Almost surely, 2^27135789880 is an apocalyptic number.

27135789880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27135789880 is an abundant number, since it is smaller than the sum of its proper divisors (33919737440).

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

27135789880 is a wasteful number, since it uses less digits than its factorization.

27135789880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678394758 (or 678394754 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 27135789880 in words is "twenty-seven billion, one hundred thirty-five million, seven hundred eighty-nine thousand, eight hundred eighty".