109789877 has 4 divisors (see below), whose sum is σ = 109814880. Its totient is φ = 109764876.

The previous prime is 109789837. The next prime is 109789903. The reversal of 109789877 is 778987901.

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 109789877 - 2²⁰ = 108741301 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 (109789807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3977 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (27453720).

Almost surely, 2^109789877 is an apocalyptic number.

It is an amenable number.

109789877 is a deficient number, since it is larger than the sum of its proper divisors (25003).

109789877 is an equidigital number, since it uses as much as digits as its factorization.

109789877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25002.

The product of its (nonzero) digits is 1778112, while the sum is 56.

The square root of 109789877 is about 10478.0664723984. The cubic root of 109789877 is about 478.8367041142.

The spelling of 109789877 in words is "one hundred nine million, seven hundred eighty-nine thousand, eight hundred seventy-seven".