27731482285 has 8 divisors (see below), whose sum is σ = 35837607960. Its totient is φ = 20478633024.

The previous prime is 27731482279. The next prime is 27731482327. The reversal of 27731482285 is 58228413772.

It can be written as a sum of positive squares in 4 ways, for example, as 1696368969 + 26035113316 = 41187^2 + 161354^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27731482285 - 2⁷ = 27731482157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213319030 + ... + 213319159.

It is an arithmetic number, because the mean of its divisors is an integer number (4479700995).

Almost surely, 2^27731482285 is an apocalyptic number.

It is an amenable number.

27731482285 is a deficient number, since it is larger than the sum of its proper divisors (8106125675).

27731482285 is a wasteful number, since it uses less digits than its factorization.

27731482285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426638207.

The product of its digits is 1505280, while the sum is 49.

The spelling of 27731482285 in words is "twenty-seven billion, seven hundred thirty-one million, four hundred eighty-two thousand, two hundred eighty-five".