506626329687 has 16 divisors (see below), whose sum is σ = 686768722560. Its totient is φ = 332120527200.

The previous prime is 506626329683. The next prime is 506626329697. The reversal of 506626329687 is 786923626605.

It is not a de Polignac number, because 506626329687 - 2² = 506626329683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506626329687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506626329683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265864 + ... + 1041122.

It is an arithmetic number, because the mean of its divisors is an integer number (42923045160).

Almost surely, 2^506626329687 is an apocalyptic number.

506626329687 is a deficient number, since it is larger than the sum of its proper divisors (180142392873).

506626329687 is a wasteful number, since it uses less digits than its factorization.

506626329687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778894.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 506626329687 in words is "five hundred six billion, six hundred twenty-six million, three hundred twenty-nine thousand, six hundred eighty-seven".