564778404108007 has 4 divisors (see below), whose sum is σ = 564796415377816. Its totient is φ = 564760392838200.

The previous prime is 564778404107989. The next prime is 564778404108019. The reversal of 564778404108007 is 700801404877465.

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

It is a cyclic number.

It is not a de Polignac number, because 564778404108007 - 2²³ = 564778395719399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564778404108097) 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, 9005587869 + ... + 9005650582.

It is an arithmetic number, because the mean of its divisors is an integer number (141199103844454).

Almost surely, 2^{564778404108007} is an apocalyptic number.

564778404108007 is a deficient number, since it is larger than the sum of its proper divisors (18011269809).

564778404108007 is a wasteful number, since it uses less digits than its factorization.

564778404108007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011269808.

The product of its (nonzero) digits is 42147840, while the sum is 61.

The spelling of 564778404108007 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, four hundred four million, one hundred eight thousand, seven".