505172847823606 has 4 divisors (see below), whose sum is σ = 757759271735412. Its totient is φ = 252586423911802.

The previous prime is 505172847823603. The next prime is 505172847823627. The reversal of 505172847823606 is 606328748271505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505172847823603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126293211955900 + ... + 126293211955903.

It is an arithmetic number, because the mean of its divisors is an integer number (189439817933853).

Almost surely, 2^{505172847823606} is an apocalyptic number.

505172847823606 is a deficient number, since it is larger than the sum of its proper divisors (252586423911806).

505172847823606 is a wasteful number, since it uses less digits than its factorization.

505172847823606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252586423911805.

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 505172847823606 in words is "five hundred five trillion, one hundred seventy-two billion, eight hundred forty-seven million, eight hundred twenty-three thousand, six hundred six".