506776644722 has 16 divisors (see below), whose sum is σ = 804970778040. Its totient is φ = 238456393728.

The previous prime is 506776644683. The next prime is 506776644727. The reversal of 506776644722 is 227446677605.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 499762749721 + 7013895001 = 706939^2 + 83749^2 .

It is not an unprimeable number, because it can be changed into a prime (506776644727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525983 + ... + 1135874.

Almost surely, 2^506776644722 is an apocalyptic number.

506776644722 is a deficient number, since it is larger than the sum of its proper divisors (298194133318).

506776644722 is a wasteful number, since it uses less digits than its factorization.

506776644722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670845.

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 506776644722 in words is "five hundred six billion, seven hundred seventy-six million, six hundred forty-four thousand, seven hundred twenty-two".