85800005 has 32 divisors (see below), whose sum is σ = 111041280. Its totient is φ = 63500800.

The previous prime is 85799981. The next prime is 85800017. The reversal of 85800005 is 50000858.

It is not a de Polignac number, because 85800005 - 2⁶ = 85799941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 849455 + ... + 849555.

It is an arithmetic number, because the mean of its divisors is an integer number (3470040).

Almost surely, 2^85800005 is an apocalyptic number.

It is an amenable number.

85800005 is a deficient number, since it is larger than the sum of its proper divisors (25241275).

85800005 is a wasteful number, since it uses less digits than its factorization.

85800005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 85800005 is about 9262.8292114235. The cubic root of 85800005 is about 441.0580682924.

The spelling of 85800005 in words is "eighty-five million, eight hundred thousand, five".