27013804057 has 4 divisors (see below), whose sum is σ = 27014849460. Its totient is φ = 27012758656.

The previous prime is 27013804033. The next prime is 27013804079. The reversal of 27013804057 is 75040831072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3301191936 + 23712612121 = 57456^2 + 153989^2 .

It is a cyclic number.

It is not a de Polignac number, because 27013804057 - 2²³ = 27005415449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27013804757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482932 + ... + 535957.

It is an arithmetic number, because the mean of its divisors is an integer number (6753712365).

Almost surely, 2^27013804057 is an apocalyptic number.

It is an amenable number.

27013804057 is a deficient number, since it is larger than the sum of its proper divisors (1045403).

27013804057 is a wasteful number, since it uses less digits than its factorization.

27013804057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045402.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 27013804057 in words is "twenty-seven billion, thirteen million, eight hundred four thousand, fifty-seven".