112781799 has 24 divisors (see below), whose sum is σ = 176135232. Its totient is φ = 69128640.

The previous prime is 112781789. The next prime is 112781831. The reversal of 112781799 is 997187211.

It is a happy number.

It is not a de Polignac number, because 112781799 - 2⁷ = 112781671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112781789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29929 + ... + 33485.

It is an arithmetic number, because the mean of its divisors is an integer number (7338968).

Almost surely, 2^112781799 is an apocalyptic number.

112781799 is a deficient number, since it is larger than the sum of its proper divisors (63353433).

112781799 is a wasteful number, since it uses less digits than its factorization.

112781799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847 (or 3844 counting only the distinct ones).

The product of its digits is 63504, while the sum is 45.

The square root of 112781799 is about 10619.8775416669. The cubic root of 112781799 is about 483.1474287292.

The spelling of 112781799 in words is "one hundred twelve million, seven hundred eighty-one thousand, seven hundred ninety-nine".