110199978 has 96 divisors (see below), whose sum is σ = 285742080. Its totient is φ = 30032640.

The previous prime is 110199959. The next prime is 110199979. The reversal of 110199978 is 879991011.

It is not an unprimeable number, because it can be changed into a prime (110199979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347476 + ... + 347792.

It is an arithmetic number, because the mean of its divisors is an integer number (2976480).

Almost surely, 2^110199978 is an apocalyptic number.

110199978 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 110199978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142871040).

110199978 is an abundant number, since it is smaller than the sum of its proper divisors (175542102).

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

110199978 is a wasteful number, since it uses less digits than its factorization.

110199978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 45.

The square root of 110199978 is about 10497.6177297518. The cubic root of 110199978 is about 479.4321670686.

The spelling of 110199978 in words is "one hundred ten million, one hundred ninety-nine thousand, nine hundred seventy-eight".