912822378 has 32 divisors (see below), whose sum is σ = 2081733696. Its totient is φ = 264346368.

The previous prime is 912822371. The next prime is 912822389. The reversal of 912822378 is 873228219.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (912822371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342876 + ... + 345527.

It is an arithmetic number, because the mean of its divisors is an integer number (65054178).

Almost surely, 2^912822378 is an apocalyptic number.

912822378 is an abundant number, since it is smaller than the sum of its proper divisors (1168911318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

912822378 is a wasteful number, since it uses less digits than its factorization.

912822378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688438.

The product of its digits is 96768, while the sum is 42.

The square root of 912822378 is about 30212.9505013992. The cubic root of 912822378 is about 970.0529173668.

The spelling of 912822378 in words is "nine hundred twelve million, eight hundred twenty-two thousand, three hundred seventy-eight".