84318632185 has 8 divisors (see below), whose sum is σ = 101376569736. Its totient is φ = 67325431680.

The previous prime is 84318632161. The next prime is 84318632207. The reversal of 84318632185 is 58123681348.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5121978624 + 79196653561 = 71568^2 + 281419^2 .

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

It is not a de Polignac number, because 84318632185 - 2¹³ = 84318623993 is a prime.

It is a Duffinian 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, 16181394 + ... + 16186603.

It is an arithmetic number, because the mean of its divisors is an integer number (12672071217).

Almost surely, 2^84318632185 is an apocalyptic number.

It is an amenable number.

84318632185 is a deficient number, since it is larger than the sum of its proper divisors (17057937551).

84318632185 is a wasteful number, since it uses less digits than its factorization.

84318632185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32368523.

The product of its digits is 1105920, while the sum is 49.

The spelling of 84318632185 in words is "eighty-four billion, three hundred eighteen million, six hundred thirty-two thousand, one hundred eighty-five".