27477070073 has 2 divisors, whose sum is σ = 27477070074. Its totient is φ = 27477070072.

The previous prime is 27477070067. The next prime is 27477070079. The reversal of 27477070073 is 37007077472.

It is a balanced prime because it is at equal distance from previous prime (27477070067) and next prime (27477070079).

It can be written as a sum of positive squares in only one way, i.e., 22412185849 + 5064884224 = 149707^2 + 71168^2 .

It is a cyclic number.

It is not a de Polignac number, because 27477070073 - 2¹⁰ = 27477069049 is a prime.

It is not a weakly prime, because it can be changed into another prime (27477070079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13738535036 + 13738535037.

It is an arithmetic number, because the mean of its divisors is an integer number (13738535037).

Almost surely, 2^27477070073 is an apocalyptic number.

It is an amenable number.

27477070073 is a deficient number, since it is larger than the sum of its proper divisors (1).

27477070073 is an equidigital number, since it uses as much as digits as its factorization.

27477070073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403368, while the sum is 44.

The spelling of 27477070073 in words is "twenty-seven billion, four hundred seventy-seven million, seventy thousand, seventy-three".