271966979 has 2 divisors, whose sum is σ = 271966980. Its totient is φ = 271966978.

The previous prime is 271966949. The next prime is 271967021. The reversal of 271966979 is 979669172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 271966979 - 2²⁸ = 3531523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (271966939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135983489 + 135983490.

It is an arithmetic number, because the mean of its divisors is an integer number (135983490).

Almost surely, 2^271966979 is an apocalyptic number.

271966979 is a deficient number, since it is larger than the sum of its proper divisors (1).

271966979 is an equidigital number, since it uses as much as digits as its factorization.

271966979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 56.

The square root of 271966979 is about 16491.4213759761. The cubic root of 271966979 is about 647.8961397774.

The spelling of 271966979 in words is "two hundred seventy-one million, nine hundred sixty-six thousand, nine hundred seventy-nine".