272117977 has 2 divisors, whose sum is σ = 272117978. Its totient is φ = 272117976.

The previous prime is 272117957. The next prime is 272117999. The reversal of 272117977 is 779711272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139499721 + 132618256 = 11811^2 + 11516^2 .

It is a cyclic number.

It is not a de Polignac number, because 272117977 - 2¹⁹ = 271593689 is a prime.

It is not a weakly prime, because it can be changed into another prime (272117927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136058988 + 136058989.

It is an arithmetic number, because the mean of its divisors is an integer number (136058989).

Almost surely, 2^272117977 is an apocalyptic number.

It is an amenable number.

272117977 is a deficient number, since it is larger than the sum of its proper divisors (1).

272117977 is an equidigital number, since it uses as much as digits as its factorization.

272117977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86436, while the sum is 43.

The square root of 272117977 is about 16495.9988178952. The cubic root of 272117977 is about 648.0160231076.

The spelling of 272117977 in words is "two hundred seventy-two million, one hundred seventeen thousand, nine hundred seventy-seven".