566763378 has 64 divisors (see below), whose sum is σ = 1207084032. Its totient is φ = 177045440.

The previous prime is 566763367. The next prime is 566763409. The reversal of 566763378 is 873367665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 566763378.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1934200 + ... + 1934492.

It is an arithmetic number, because the mean of its divisors is an integer number (18860688).

Almost surely, 2^566763378 is an apocalyptic number.

566763378 is an abundant number, since it is smaller than the sum of its proper divisors (640320654).

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

566763378 is a wasteful number, since it uses less digits than its factorization.

566763378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 3810240, while the sum is 51.

The square root of 566763378 is about 23806.7926861222. The cubic root of 566763378 is about 827.5621007115.

The spelling of 566763378 in words is "five hundred sixty-six million, seven hundred sixty-three thousand, three hundred seventy-eight".