27078049323 has 72 divisors (see below), whose sum is σ = 43869588672. Its totient is φ = 15992031744.

The previous prime is 27078049321. The next prime is 27078049333. The reversal of 27078049323 is 32394087072.

27078049323 is a `hidden beast` number, since 2 + 70 + 78 + 0 + 493 + 23 = 666.

It is not a de Polignac number, because 27078049323 - 2¹ = 27078049321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27078049321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15445815 + ... + 15447567.

Almost surely, 2^27078049323 is an apocalyptic number.

27078049323 is a deficient number, since it is larger than the sum of its proper divisors (16791539349).

27078049323 is a wasteful number, since it uses less digits than its factorization.

27078049323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 27078049323 in words is "twenty-seven billion, seventy-eight million, forty-nine thousand, three hundred twenty-three".