85884005 has 4 divisors (see below), whose sum is σ = 103060812. Its totient is φ = 68707200.

The previous prime is 85883969. The next prime is 85884013. The reversal of 85884005 is 50048858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50048858 = 2 ⋅25024429.

It can be written as a sum of positive squares in 2 ways, for example, as 25573249 + 60310756 = 5057^2 + 7766^2 .

It is not a de Polignac number, because 85884005 - 2¹⁰ = 85882981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85884005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8588396 + ... + 8588405.

It is an arithmetic number, because the mean of its divisors is an integer number (25765203).

Almost surely, 2^85884005 is an apocalyptic number.

It is an amenable number.

85884005 is a deficient number, since it is larger than the sum of its proper divisors (17176807).

85884005 is a wasteful number, since it uses less digits than its factorization.

85884005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17176806.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 85884005 is about 9267.3623539818. The cubic root of 85884005 is about 441.2019563717.

The spelling of 85884005 in words is "eighty-five million, eight hundred eighty-four thousand, five".