387166271 has 2 divisors, whose sum is σ = 387166272. Its totient is φ = 387166270.

The previous prime is 387166243. The next prime is 387166309. The reversal of 387166271 is 172661783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387166271 - 2¹⁸ = 386904127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387136271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193583135 + 193583136.

It is an arithmetic number, because the mean of its divisors is an integer number (193583136).

Almost surely, 2^387166271 is an apocalyptic number.

387166271 is a deficient number, since it is larger than the sum of its proper divisors (1).

387166271 is an equidigital number, since it uses as much as digits as its factorization.

387166271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 387166271 is about 19676.5411340510. The cubic root of 387166271 is about 728.8405131052.

The spelling of 387166271 in words is "three hundred eighty-seven million, one hundred sixty-six thousand, two hundred seventy-one".