109789776 has 80 divisors (see below), whose sum is σ = 319225600. Its totient is φ = 36122112.

The previous prime is 109789769. The next prime is 109789789. The reversal of 109789776 is 677987901.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32520 + ... + 35736.

It is an arithmetic number, because the mean of its divisors is an integer number (3990320).

Almost surely, 2^109789776 is an apocalyptic number.

109789776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109789776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159612800).

109789776 is an abundant number, since it is smaller than the sum of its proper divisors (209435824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109789776 is a wasteful number, since it uses less digits than its factorization.

109789776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 109789776 is about 10478.0616528058. The cubic root of 109789776 is about 478.8365572806.

The spelling of 109789776 in words is "one hundred nine million, seven hundred eighty-nine thousand, seven hundred seventy-six".