506220782765 has 16 divisors (see below), whose sum is σ = 615887207040. Its totient is φ = 399400372800.

The previous prime is 506220782747. The next prime is 506220782789. The reversal of 506220782765 is 567287022605.

It is not a de Polignac number, because 506220782765 - 2⁶ = 506220782701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2306894 + ... + 2516783.

It is an arithmetic number, because the mean of its divisors is an integer number (38492950440).

Almost surely, 2^506220782765 is an apocalyptic number.

It is an amenable number.

506220782765 is a deficient number, since it is larger than the sum of its proper divisors (109666424275).

506220782765 is a wasteful number, since it uses less digits than its factorization.

506220782765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823972.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 506220782765 in words is "five hundred six billion, two hundred twenty million, seven hundred eighty-two thousand, seven hundred sixty-five".