27855530761480 has 32 divisors (see below), whose sum is σ = 62675850196440. Its totient is φ = 11142051240960.

The previous prime is 27855530761477. The next prime is 27855530761517. The reversal of 27855530761480 is 8416703555872.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23347238282404 + 4508292479076 = 4831898^2 + 2123274^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211969 + ... + 7784848.

Almost surely, 2^{27855530761480} is an apocalyptic number.

27855530761480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27855530761480 is an abundant number, since it is smaller than the sum of its proper divisors (34820319434960).

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

27855530761480 is a wasteful number, since it uses less digits than its factorization.

27855530761480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066489 (or 10066485 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 27855530761480 in words is "twenty-seven trillion, eight hundred fifty-five billion, five hundred thirty million, seven hundred sixty-one thousand, four hundred eighty".