108904887 has 48 divisors (see below), whose sum is σ = 195639808. Its totient is φ = 56842560.

The previous prime is 108904883. The next prime is 108904927. The reversal of 108904887 is 788409801.

It is not a de Polignac number, because 108904887 - 2² = 108904883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108904883) 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 47 ways as a sum of consecutive naturals, for example, 83712 + ... + 85002.

Almost surely, 2^108904887 is an apocalyptic number.

108904887 is a deficient number, since it is larger than the sum of its proper divisors (86734921).

108904887 is a wasteful number, since it uses less digits than its factorization.

108904887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 108904887 is about 10435.7504282155. The cubic root of 108904887 is about 477.5466354313.

The spelling of 108904887 in words is "one hundred eight million, nine hundred four thousand, eight hundred eighty-seven".