109119778 has 16 divisors (see below), whose sum is σ = 168031584. Its totient is φ = 53115040.

The previous prime is 109119761. The next prime is 109119781. The reversal of 109119778 is 877911901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47001 + ... + 49267.

It is an arithmetic number, because the mean of its divisors is an integer number (10501974).

Almost surely, 2^109119778 is an apocalyptic number.

109119778 is a deficient number, since it is larger than the sum of its proper divisors (58911806).

109119778 is a wasteful number, since it uses less digits than its factorization.

109119778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its (nonzero) digits is 31752, while the sum is 43.

The square root of 109119778 is about 10446.0412597309. The cubic root of 109119778 is about 477.8605272253.

The spelling of 109119778 in words is "one hundred nine million, one hundred nineteen thousand, seven hundred seventy-eight".