27135886402280 has 16 divisors (see below), whose sum is σ = 61055744405220. Its totient is φ = 10854354560896.

The previous prime is 27135886402241. The next prime is 27135886402327. The reversal of 27135886402280 is 8220468853172.

It can be written as a sum of positive squares in 2 ways, for example, as 21944971226116 + 5190915176164 = 4684546^2 + 2278358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339198579989 + ... + 339198580068.

Almost surely, 2^{27135886402280} is an apocalyptic number.

27135886402280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27135886402280 is an abundant number, since it is smaller than the sum of its proper divisors (33919858002940).

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

27135886402280 is a wasteful number, since it uses less digits than its factorization.

27135886402280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678397160068 (or 678397160064 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 27135886402280 in words is "twenty-seven trillion, one hundred thirty-five billion, eight hundred eighty-six million, four hundred two thousand, two hundred eighty".