27880073199378 has 24 divisors (see below), whose sum is σ = 60442421575068. Its totient is φ = 9287881377792.

The previous prime is 27880073199353. The next prime is 27880073199383. The reversal of 27880073199378 is 87399137008872.

27880073199378 is a `hidden beast` number, since 27 + 8 + 80 + 0 + 73 + 1 + 99 + 378 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24923987866449 + 2956085332929 = 4992393^2 + 1719327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456331551 + ... + 456392642.

Almost surely, 2^{27880073199378} is an apocalyptic number.

27880073199378 is an abundant number, since it is smaller than the sum of its proper divisors (32562348375690).

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

27880073199378 is a wasteful number, since it uses less digits than its factorization.

27880073199378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912725898 (or 912725895 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 72.

The spelling of 27880073199378 in words is "twenty-seven trillion, eight hundred eighty billion, seventy-three million, one hundred ninety-nine thousand, three hundred seventy-eight".