563267878 has 4 divisors (see below), whose sum is σ = 844901820. Its totient is φ = 281633938.

The previous prime is 563267869. The next prime is 563267891. The reversal of 563267878 is 878762365.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140816968 + ... + 140816971.

It is an arithmetic number, because the mean of its divisors is an integer number (211225455).

Almost surely, 2^563267878 is an apocalyptic number.

563267878 is a deficient number, since it is larger than the sum of its proper divisors (281633942).

563267878 is a wasteful number, since it uses less digits than its factorization.

563267878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281633941.

The product of its digits is 3386880, while the sum is 52.

The square root of 563267878 is about 23733.2652199397. The cubic root of 563267878 is about 825.8572676941.

The spelling of 563267878 in words is "five hundred sixty-three million, two hundred sixty-seven thousand, eight hundred seventy-eight".