506978879605 has 8 divisors (see below), whose sum is σ = 663681442464. Its totient is φ = 368711912400.

The previous prime is 506978879593. The next prime is 506978879669.

506978879605 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 506978879605 - 2¹⁷ = 506978748533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4608898851 + ... + 4608898960.

It is an arithmetic number, because the mean of its divisors is an integer number (82960180308).

Almost surely, 2^506978879605 is an apocalyptic number.

506978879605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

506978879605 is a deficient number, since it is larger than the sum of its proper divisors (156702562859).

506978879605 is a wasteful number, since it uses less digits than its factorization.

506978879605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217797827.

The product of its (nonzero) digits is 228614400, while the sum is 70.

The spelling of 506978879605 in words is "five hundred six billion, nine hundred seventy-eight million, eight hundred seventy-nine thousand, six hundred five".