108898457 has 2 divisors, whose sum is σ = 108898458. Its totient is φ = 108898456.

The previous prime is 108898441. The next prime is 108898487. The reversal of 108898457 is 754898801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107412496 + 1485961 = 10364^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 108898457 - 2⁴ = 108898441 is a prime.

It is not a weakly prime, because it can be changed into another prime (108898417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54449228 + 54449229.

It is an arithmetic number, because the mean of its divisors is an integer number (54449229).

Almost surely, 2^108898457 is an apocalyptic number.

It is an amenable number.

108898457 is a deficient number, since it is larger than the sum of its proper divisors (1).

108898457 is an equidigital number, since it uses as much as digits as its factorization.

108898457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 108898457 is about 10435.4423480751. The cubic root of 108898457 is about 477.5372367551.

The spelling of 108898457 in words is "one hundred eight million, eight hundred ninety-eight thousand, four hundred fifty-seven".