27870077 has 2 divisors, whose sum is σ = 27870078. Its totient is φ = 27870076.

The previous prime is 27870071. The next prime is 27870091. The reversal of 27870077 is 77007872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25290841 + 2579236 = 5029^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 27870077 - 2⁴ = 27870061 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27870077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27870071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13935038 + 13935039.

It is an arithmetic number, because the mean of its divisors is an integer number (13935039).

Almost surely, 2^27870077 is an apocalyptic number.

It is an amenable number.

27870077 is a deficient number, since it is larger than the sum of its proper divisors (1).

27870077 is an equidigital number, since it uses as much as digits as its factorization.

27870077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38416, while the sum is 38.

The square root of 27870077 is about 5279.2117782866. The cubic root of 27870077 is about 303.1884989302.

The spelling of 27870077 in words is "twenty-seven million, eight hundred seventy thousand, seventy-seven".