568408978 has 16 divisors (see below), whose sum is σ = 897952320. Its totient is φ = 269107056.

The previous prime is 568408969. The next prime is 568408979. The reversal of 568408978 is 879804865.

It is not an unprimeable number, because it can be changed into a prime (568408979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139851 + ... + 143857.

It is an arithmetic number, because the mean of its divisors is an integer number (56122020).

Almost surely, 2^568408978 is an apocalyptic number.

568408978 is a deficient number, since it is larger than the sum of its proper divisors (329543342).

568408978 is a wasteful number, since it uses less digits than its factorization.

568408978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 568408978 is about 23841.3291995224. The cubic root of 568408978 is about 828.3622701974.

The spelling of 568408978 in words is "five hundred sixty-eight million, four hundred eight thousand, nine hundred seventy-eight".