506423451877 has 8 divisors (see below), whose sum is σ = 594412082816. Its totient is φ = 422345426832.

The previous prime is 506423451841. The next prime is 506423451881. The reversal of 506423451877 is 778154324605.

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

It is a de Polignac number, because none of the positive numbers 2^k-506423451877 is a prime.

It is a super-2 number, since 2×506423451877² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506423451817) by changing a digit.

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, 977651193 + ... + 977651710.

It is an arithmetic number, because the mean of its divisors is an integer number (74301510352).

Almost surely, 2^506423451877 is an apocalyptic number.

It is an amenable number.

506423451877 is a deficient number, since it is larger than the sum of its proper divisors (87988630939).

506423451877 is a wasteful number, since it uses less digits than its factorization.

506423451877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955302947.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 506423451877 in words is "five hundred six billion, four hundred twenty-three million, four hundred fifty-one thousand, eight hundred seventy-seven".