85001808 has 20 divisors (see below), whose sum is σ = 219588128. Its totient is φ = 28333920.

The previous prime is 85001759. The next prime is 85001809. The reversal of 85001808 is 80810058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85001809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885388 + ... + 885483.

Almost surely, 2^85001808 is an apocalyptic number.

It is an amenable number.

85001808 is an abundant number, since it is smaller than the sum of its proper divisors (134586320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85001808 is a wasteful number, since it uses less digits than its factorization.

85001808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770882 (or 1770876 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 85001808 is about 9219.6425093384. The cubic root of 85001808 is about 439.6860846322.

The spelling of 85001808 in words is "eighty-five million, one thousand, eight hundred eight".