84357313405 has 8 divisors (see below), whose sum is σ = 101788052184. Its totient is φ = 67113000000.

The previous prime is 84357313387. The next prime is 84357313421. The reversal of 84357313405 is 50431375348.

It can be written as a sum of positive squares in 4 ways, for example, as 4212269604 + 80145043801 = 64902^2 + 283099^2 .

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

It is not a de Polignac number, because 84357313405 - 2¹⁹ = 84356789117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46605346 + ... + 46607155.

It is an arithmetic number, because the mean of its divisors is an integer number (12723506523).

Almost surely, 2^84357313405 is an apocalyptic number.

It is an amenable number.

84357313405 is a deficient number, since it is larger than the sum of its proper divisors (17430738779).

84357313405 is a wasteful number, since it uses less digits than its factorization.

84357313405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93212687.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 84357313405 in words is "eighty-four billion, three hundred fifty-seven million, three hundred thirteen thousand, four hundred five".