108989677 has 4 divisors (see below), whose sum is σ = 111046140. Its totient is φ = 106933216.

The previous prime is 108989653. The next prime is 108989687. The reversal of 108989677 is 776989801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64979721 + 44009956 = 8061^2 + 6634^2 .

It is a cyclic number.

It is not a de Polignac number, because 108989677 - 2²³ = 100601069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108989687) 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, 1028152 + ... + 1028257.

It is an arithmetic number, because the mean of its divisors is an integer number (27761535).

Almost surely, 2^108989677 is an apocalyptic number.

It is an amenable number.

108989677 is a deficient number, since it is larger than the sum of its proper divisors (2056463).

108989677 is an equidigital number, since it uses as much as digits as its factorization.

108989677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056462.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The square root of 108989677 is about 10439.8121151676. The cubic root of 108989677 is about 477.6705376622.

The spelling of 108989677 in words is "one hundred eight million, nine hundred eighty-nine thousand, six hundred seventy-seven".