109796778 has 96 divisors (see below), whose sum is σ = 310093056. Its totient is φ = 27247104.

The previous prime is 109796773. The next prime is 109796849. The reversal of 109796778 is 877697901.

It is not an unprimeable number, because it can be changed into a prime (109796773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25875 + ... + 29817.

It is an arithmetic number, because the mean of its divisors is an integer number (3230136).

Almost surely, 2^109796778 is an apocalyptic number.

109796778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109796778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155046528).

109796778 is an abundant number, since it is smaller than the sum of its proper divisors (200296278).

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

109796778 is a wasteful number, since it uses less digits than its factorization.

109796778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3985 counting only the distinct ones).

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

The square root of 109796778 is about 10478.3957741631. The cubic root of 109796778 is about 478.8467365596.

The spelling of 109796778 in words is "one hundred nine million, seven hundred ninety-six thousand, seven hundred seventy-eight".