111967798 has 16 divisors (see below), whose sum is σ = 178513920. Its totient is φ = 52520616.

The previous prime is 111967789. The next prime is 111967799. The reversal of 111967798 is 897769111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111967799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10390 + ... + 18217.

It is an arithmetic number, because the mean of its divisors is an integer number (11157120).

Almost surely, 2^111967798 is an apocalyptic number.

111967798 is a deficient number, since it is larger than the sum of its proper divisors (66546122).

111967798 is a wasteful number, since it uses less digits than its factorization.

111967798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28731.

The product of its digits is 190512, while the sum is 49.

The square root of 111967798 is about 10581.4837333901. The cubic root of 111967798 is about 481.9822511442.

The spelling of 111967798 in words is "one hundred eleven million, nine hundred sixty-seven thousand, seven hundred ninety-eight".