840000081383 has 8 divisors (see below), whose sum is σ = 860502609456. Its totient is φ = 819498254400.

The previous prime is 840000081311. The next prime is 840000081391. The reversal of 840000081383 is 383180000048.

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

It is a cyclic number.

It is not a de Polignac number, because 840000081383 - 2⁸ = 840000081127 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 (840000881383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2901185 + ... + 3177557.

It is an arithmetic number, because the mean of its divisors is an integer number (107562826182).

Almost surely, 2^840000081383 is an apocalyptic number.

840000081383 is a deficient number, since it is larger than the sum of its proper divisors (20502528073).

840000081383 is a wasteful number, since it uses less digits than its factorization.

840000081383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350545.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 840000081383 in words is "eight hundred forty billion, eighty-one thousand, three hundred eighty-three".