84194789597 has 8 divisors (see below), whose sum is σ = 85429798272. Its totient is φ = 82961146800.

The previous prime is 84194789521. The next prime is 84194789599. The reversal of 84194789597 is 79598749148.

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 84194789597 - 2²⁶ = 84127680733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84194789597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84194789599) 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, 216953 + ... + 464174.

It is an arithmetic number, because the mean of its divisors is an integer number (10678724784).

Almost surely, 2^84194789597 is an apocalyptic number.

It is an amenable number.

84194789597 is a deficient number, since it is larger than the sum of its proper divisors (1235008675).

84194789597 is a wasteful number, since it uses less digits than its factorization.

84194789597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682939.

The product of its digits is 182891520, while the sum is 71.

The spelling of 84194789597 in words is "eighty-four billion, one hundred ninety-four million, seven hundred eighty-nine thousand, five hundred ninety-seven".