27305621610772 has 12 divisors (see below), whose sum is σ = 47785002381396. Its totient is φ = 13652763787520.

The previous prime is 27305621610679. The next prime is 27305621610779. The reversal of 27305621610772 is 27701612650372.

It can be written as a sum of positive squares in 2 ways, for example, as 27202629396996 + 102992213776 = 5215614^2 + 320924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27305621610779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10431229 + ... + 12783652.

It is an arithmetic number, because the mean of its divisors is an integer number (3982083531783).

Almost surely, 2^{27305621610772} is an apocalyptic number.

It is an amenable number.

27305621610772 is a deficient number, since it is larger than the sum of its proper divisors (20479380770624).

27305621610772 is a wasteful number, since it uses less digits than its factorization.

27305621610772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23508938 (or 23508936 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 27305621610772 in words is "twenty-seven trillion, three hundred five billion, six hundred twenty-one million, six hundred ten thousand, seven hundred seventy-two".