27687043274 has 16 divisors (see below), whose sum is σ = 45348810336. Its totient is φ = 12573147600.

The previous prime is 27687043273. The next prime is 27687043283. The reversal of 27687043274 is 47234078672.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27687043273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569732 + ... + 616415.

It is an arithmetic number, because the mean of its divisors is an integer number (2834300646).

Almost surely, 2^27687043274 is an apocalyptic number.

27687043274 is a deficient number, since it is larger than the sum of its proper divisors (17661767062).

27687043274 is a wasteful number, since it uses less digits than its factorization.

27687043274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187221.

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 27687043274 in words is "twenty-seven billion, six hundred eighty-seven million, forty-three thousand, two hundred seventy-four".