27012470845 has 8 divisors (see below), whose sum is σ = 32487161400. Its totient is φ = 21561845760.

The previous prime is 27012470843. The next prime is 27012470923. The reversal of 27012470845 is 54807421072.

It can be written as a sum of positive squares in 4 ways, for example, as 11089564249 + 15922906596 = 105307^2 + 126186^2 .

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

It is not a de Polignac number, because 27012470845 - 2¹ = 27012470843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27012470798 and 27012470807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27012470843) 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, 6013896 + ... + 6018385.

It is an arithmetic number, because the mean of its divisors is an integer number (4060895175).

Almost surely, 2^27012470845 is an apocalyptic number.

It is an amenable number.

27012470845 is a deficient number, since it is larger than the sum of its proper divisors (5474690555).

27012470845 is a wasteful number, since it uses less digits than its factorization.

27012470845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12032735.

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 27012470845 in words is "twenty-seven billion, twelve million, four hundred seventy thousand, eight hundred forty-five".