84375844857347 has 8 divisors (see below), whose sum is σ = 84435453978480. Its totient is φ = 84316236755200.

The previous prime is 84375844857259. The next prime is 84375844857349. The reversal of 84375844857347 is 74375844857348.

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 84375844857347 - 2²⁰ = 84375843808771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84375844857349) 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, 256140347 + ... + 256469547.

It is an arithmetic number, because the mean of its divisors is an integer number (10554431747310).

Almost surely, 2^{84375844857347} is an apocalyptic number.

84375844857347 is a deficient number, since it is larger than the sum of its proper divisors (59609121133).

84375844857347 is a wasteful number, since it uses less digits than its factorization.

84375844857347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509493.

The product of its digits is 10115481600, while the sum is 77.

Subtracting from 84375844857347 its reverse (74375844857348), we obtain a palindrome (9999999999999).

The spelling of 84375844857347 in words is "eighty-four trillion, three hundred seventy-five billion, eight hundred forty-four million, eight hundred fifty-seven thousand, three hundred forty-seven".