208881371 has 2 divisors, whose sum is σ = 208881372. Its totient is φ = 208881370.

The previous prime is 208881367. The next prime is 208881419. The reversal of 208881371 is 173188802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208881371 - 2² = 208881367 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (208881311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104440685 + 104440686.

It is an arithmetic number, because the mean of its divisors is an integer number (104440686).

Almost surely, 2^208881371 is an apocalyptic number.

208881371 is a deficient number, since it is larger than the sum of its proper divisors (1).

208881371 is an equidigital number, since it uses as much as digits as its factorization.

208881371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 208881371 is about 14452.7288426788. The cubic root of 208881371 is about 593.3349120089.

The spelling of 208881371 in words is "two hundred eight million, eight hundred eighty-one thousand, three hundred seventy-one".