108489557 has 4 divisors (see below), whose sum is σ = 118352256. Its totient is φ = 98626860.

The previous prime is 108489541. The next prime is 108489571. The reversal of 108489557 is 755984801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108489557 - 2⁴ = 108489541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108489517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931333 + ... + 4931354.

It is an arithmetic number, because the mean of its divisors is an integer number (29588064).

Almost surely, 2^108489557 is an apocalyptic number.

It is an amenable number.

108489557 is a deficient number, since it is larger than the sum of its proper divisors (9862699).

108489557 is an equidigital number, since it uses as much as digits as its factorization.

108489557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9862698.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 108489557 is about 10415.8320358961. The cubic root of 108489557 is about 476.9387896908.

The spelling of 108489557 in words is "one hundred eight million, four hundred eighty-nine thousand, five hundred fifty-seven".