112778667 has 12 divisors (see below), whose sum is σ = 164186880. Its totient is φ = 74593008.

The previous prime is 112778641. The next prime is 112778669. The reversal of 112778667 is 766877211.

It is not a de Polignac number, because 112778667 - 2⁸ = 112778411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112778669) 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 11 ways as a sum of consecutive naturals, for example, 48192 + ... + 50477.

It is an arithmetic number, because the mean of its divisors is an integer number (13682240).

Almost surely, 2^112778667 is an apocalyptic number.

112778667 is a deficient number, since it is larger than the sum of its proper divisors (51408213).

112778667 is a wasteful number, since it uses less digits than its factorization.

112778667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98802 (or 98799 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 112778667 is about 10619.7300813156. The cubic root of 112778667 is about 483.1429562825.

The spelling of 112778667 in words is "one hundred twelve million, seven hundred seventy-eight thousand, six hundred sixty-seven".