108995557 has 8 divisors (see below), whose sum is σ = 119109312. Its totient is φ = 98916000.

The previous prime is 108995503. The next prime is 108995567. The reversal of 108995557 is 755599801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108995557 - 2⁷ = 108995429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108995557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108995567) 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 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (14888664).

Almost surely, 2^108995557 is an apocalyptic number.

It is an amenable number.

108995557 is a deficient number, since it is larger than the sum of its proper divisors (10113755).

108995557 is a wasteful number, since it uses less digits than its factorization.

108995557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17099.

The product of its (nonzero) digits is 567000, while the sum is 49.

The square root of 108995557 is about 10440.0937256329. The cubic root of 108995557 is about 477.6791276263.

The spelling of 108995557 in words is "one hundred eight million, nine hundred ninety-five thousand, five hundred fifty-seven".