5578820705 has 4 divisors (see below), whose sum is σ = 6694584852. Its totient is φ = 4463056560.

The previous prime is 5578820693. The next prime is 5578820707. The reversal of 5578820705 is 5070288755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 767456209 + 4811364496 = 27703^2 + 69364^2 .

It is not a de Polignac number, because 5578820705 - 2⁸ = 5578820449 is a prime.

It is a super-2 number, since 2×5578820705² = 62246480917073394050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5578820705.

It is not an unprimeable number, because it can be changed into a prime (5578820707) 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, 557882066 + ... + 557882075.

It is an arithmetic number, because the mean of its divisors is an integer number (1673646213).

Almost surely, 2^5578820705 is an apocalyptic number.

It is an amenable number.

5578820705 is a deficient number, since it is larger than the sum of its proper divisors (1115764147).

5578820705 is a wasteful number, since it uses less digits than its factorization.

5578820705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115764146.

The product of its (nonzero) digits is 784000, while the sum is 47.

The square root of 5578820705 is about 74691.5035663361. The cubic root of 5578820705 is about 1773.5664632598.

The spelling of 5578820705 in words is "five billion, five hundred seventy-eight million, eight hundred twenty thousand, seven hundred five".