112780799 has 4 divisors (see below), whose sum is σ = 117684336. Its totient is φ = 107877264.

The previous prime is 112780769. The next prime is 112780807. The reversal of 112780799 is 997087211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112780799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112780769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451734 + ... + 2451779.

It is an arithmetic number, because the mean of its divisors is an integer number (29421084).

Almost surely, 2^112780799 is an apocalyptic number.

112780799 is a deficient number, since it is larger than the sum of its proper divisors (4903537).

112780799 is an equidigital number, since it uses as much as digits as its factorization.

112780799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903536.

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 112780799 is about 10619.8304600403. The cubic root of 112780799 is about 483.1460007540.

The spelling of 112780799 in words is "one hundred twelve million, seven hundred eighty thousand, seven hundred ninety-nine".