5208361779 has 4 divisors (see below), whose sum is σ = 6944482376. Its totient is φ = 3472241184.

The previous prime is 5208361777. The next prime is 5208361783. The reversal of 5208361779 is 9771638025.

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

It is not a de Polignac number, because 5208361779 - 2¹ = 5208361777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5208361771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868060294 + ... + 868060299.

It is an arithmetic number, because the mean of its divisors is an integer number (1736120594).

Almost surely, 2^5208361779 is an apocalyptic number.

5208361779 is a deficient number, since it is larger than the sum of its proper divisors (1736120597).

5208361779 is a wasteful number, since it uses less digits than its factorization.

5208361779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736120596.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 5208361779 is about 72168.9807257938. The cubic root of 5208361779 is about 1733.4063415706.

The spelling of 5208361779 in words is "five billion, two hundred eight million, three hundred sixty-one thousand, seven hundred seventy-nine".