27047412378 has 64 divisors (see below), whose sum is σ = 68709507840. Its totient is φ = 7725844800.

The previous prime is 27047412349. The next prime is 27047412389. The reversal of 27047412378 is 87321474072.

27047412378 is a `hidden beast` number, since 270 + 4 + 7 + 4 + 1 + 2 + 378 = 666.

It is a super-2 number, since 2×27047412378² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2103208 + ... + 2116028.

It is an arithmetic number, because the mean of its divisors is an integer number (1073586060).

Almost surely, 2^27047412378 is an apocalyptic number.

27047412378 is an abundant number, since it is smaller than the sum of its proper divisors (41662095462).

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

27047412378 is a wasteful number, since it uses less digits than its factorization.

27047412378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18420 (or 18414 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 27047412378 in words is "twenty-seven billion, forty-seven million, four hundred twelve thousand, three hundred seventy-eight".