112277789 has 8 divisors (see below), whose sum is σ = 126172032. Its totient is φ = 99134640.

The previous prime is 112277747. The next prime is 112277801. The reversal of 112277789 is 987772211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 112277789 - 2⁸ = 112277533 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112277719) 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, 187457 + ... + 188054.

It is an arithmetic number, because the mean of its divisors is an integer number (15771504).

Almost surely, 2^112277789 is an apocalyptic number.

It is an amenable number.

112277789 is a deficient number, since it is larger than the sum of its proper divisors (13894243).

112277789 is a wasteful number, since it uses less digits than its factorization.

112277789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375547.

The product of its digits is 98784, while the sum is 44.

The square root of 112277789 is about 10596.1214130454. The cubic root of 112277789 is about 482.4266422700.

The spelling of 112277789 in words is "one hundred twelve million, two hundred seventy-seven thousand, seven hundred eighty-nine".