417870811623 has 4 divisors (see below), whose sum is σ = 557161082168. Its totient is φ = 278580541080.

The previous prime is 417870811621. The next prime is 417870811741. The reversal of 417870811623 is 326118078714.

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

It is not a de Polignac number, because 417870811623 - 2¹ = 417870811621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417870811621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69645135268 + ... + 69645135273.

It is an arithmetic number, because the mean of its divisors is an integer number (139290270542).

Almost surely, 2^417870811623 is an apocalyptic number.

417870811623 is a deficient number, since it is larger than the sum of its proper divisors (139290270545).

417870811623 is a wasteful number, since it uses less digits than its factorization.

417870811623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139290270544.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 417870811623 in words is "four hundred seventeen billion, eight hundred seventy million, eight hundred eleven thousand, six hundred twenty-three".