568513978 has 8 divisors (see below), whose sum is σ = 863045568. Its totient is φ = 280832124.

The previous prime is 568513973. The next prime is 568514027. The reversal of 568513978 is 879315865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (568513973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712226 + ... + 1712557.

It is an arithmetic number, because the mean of its divisors is an integer number (107880696).

Almost surely, 2^568513978 is an apocalyptic number.

568513978 is a deficient number, since it is larger than the sum of its proper divisors (294531590).

568513978 is a wasteful number, since it uses less digits than its factorization.

568513978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424868.

The product of its digits is 1814400, while the sum is 52.

The square root of 568513978 is about 23843.5311562696. The cubic root of 568513978 is about 828.4132737803.

It can be divided in two parts, 56851 and 3978, that multiplied together give a triangular number (226153278 = T₂₁₂₆₇).

The spelling of 568513978 in words is "five hundred sixty-eight million, five hundred thirteen thousand, nine hundred seventy-eight".