817042416888 has 16 divisors (see below), whose sum is σ = 2042606042280. Its totient is φ = 272347472288.

The previous prime is 817042416859. The next prime is 817042416923. The reversal of 817042416888 is 888614240718.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17021716995 + ... + 17021717042.

Almost surely, 2^817042416888 is an apocalyptic number.

It is an amenable number.

817042416888 is an abundant number, since it is smaller than the sum of its proper divisors (1225563625392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

817042416888 is a wasteful number, since it uses less digits than its factorization.

817042416888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34043434046 (or 34043434042 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 57.

The spelling of 817042416888 in words is "eight hundred seventeen billion, forty-two million, four hundred sixteen thousand, eight hundred eighty-eight".