111790779 has 8 divisors (see below), whose sum is σ = 149969472. Its totient is φ = 74069640.

The previous prime is 111790753. The next prime is 111790807. The reversal of 111790779 is 977097111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111790779 - 2⁹ = 111790267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111790779.

It is not an unprimeable number, because it can be changed into a prime (111790709) 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, 113817 + ... + 114794.

It is an arithmetic number, because the mean of its divisors is an integer number (18746184).

Almost surely, 2^111790779 is an apocalyptic number.

111790779 is a deficient number, since it is larger than the sum of its proper divisors (38178693).

111790779 is a wasteful number, since it uses less digits than its factorization.

111790779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228777.

The product of its (nonzero) digits is 27783, while the sum is 42.

The square root of 111790779 is about 10573.1158605210. The cubic root of 111790779 is about 481.7281155198.

The spelling of 111790779 in words is "one hundred eleven million, seven hundred ninety thousand, seven hundred seventy-nine".