208880057 has 2 divisors, whose sum is σ = 208880058. Its totient is φ = 208880056.

The previous prime is 208880051. The next prime is 208880107. The reversal of 208880057 is 750088802.

208880057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159163456 + 49716601 = 12616^2 + 7051^2 .

It is a cyclic number.

It is not a de Polignac number, because 208880057 - 2¹⁴ = 208863673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208880057.

It is not a weakly prime, because it can be changed into another prime (208880051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104440028 + 104440029.

It is an arithmetic number, because the mean of its divisors is an integer number (104440029).

Almost surely, 2^208880057 is an apocalyptic number.

It is an amenable number.

208880057 is a deficient number, since it is larger than the sum of its proper divisors (1).

208880057 is an equidigital number, since it uses as much as digits as its factorization.

208880057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 208880057 is about 14452.6833840640. The cubic root of 208880057 is about 593.3336678518. Note that the first 3 decimals are identical.

The spelling of 208880057 in words is "two hundred eight million, eight hundred eighty thousand, fifty-seven".