27047254855478 has 32 divisors (see below), whose sum is σ = 48316621221792. Its totient is φ = 11193039648000.

The previous prime is 27047254855463. The next prime is 27047254855487. The reversal of 27047254855478 is 87455845274072.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647724473 + ... + 647766228.

It is an arithmetic number, because the mean of its divisors is an integer number (1509894413181).

Almost surely, 2^{27047254855478} is an apocalyptic number.

27047254855478 is a deficient number, since it is larger than the sum of its proper divisors (21269366366314).

27047254855478 is a wasteful number, since it uses less digits than its factorization.

27047254855478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295490800.

The product of its (nonzero) digits is 702464000, while the sum is 68.

The spelling of 27047254855478 in words is "twenty-seven trillion, forty-seven billion, two hundred fifty-four million, eight hundred fifty-five thousand, four hundred seventy-eight".