65977127 has 2 divisors, whose sum is σ = 65977128. Its totient is φ = 65977126.

The previous prime is 65977097. The next prime is 65977129. The reversal of 65977127 is 72177956.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65977127 - 2¹⁴ = 65960743 is a prime.

Together with 65977129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65977129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32988563 + 32988564.

It is an arithmetic number, because the mean of its divisors is an integer number (32988564).

Almost surely, 2^65977127 is an apocalyptic number.

65977127 is a deficient number, since it is larger than the sum of its proper divisors (1).

65977127 is an equidigital number, since it uses as much as digits as its factorization.

65977127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 44.

The square root of 65977127 is about 8122.6305468118. The cubic root of 65977127 is about 404.0773121818.

The spelling of 65977127 in words is "sixty-five million, nine hundred seventy-seven thousand, one hundred twenty-seven".