556868378 has 48 divisors (see below), whose sum is σ = 972155520. Its totient is φ = 238392000.

The previous prime is 556868363. The next prime is 556868383. The reversal of 556868378 is 873868655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1291823 + ... + 1292253.

It is an arithmetic number, because the mean of its divisors is an integer number (20253240).

Almost surely, 2^556868378 is an apocalyptic number.

556868378 is a deficient number, since it is larger than the sum of its proper divisors (415287142).

556868378 is a wasteful number, since it uses less digits than its factorization.

556868378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 744 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 56.

The square root of 556868378 is about 23598.0587760943. The cubic root of 556868378 is about 822.7177217620.

The spelling of 556868378 in words is "five hundred fifty-six million, eight hundred sixty-eight thousand, three hundred seventy-eight".