800000500 has 48 divisors (see below), whose sum is σ = 1881616464. Its totient is φ = 295382400.

The previous prime is 800000483. The next prime is 800000507. The reversal of 800000500 is 5000008.

It can be written as a sum of positive squares in 8 ways, for example, as 441504144 + 358496356 = 21012^2 + 18934^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800000507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55039 + ... + 68038.

It is an arithmetic number, because the mean of its divisors is an integer number (39200343).

Almost surely, 2^800000500 is an apocalyptic number.

It is an amenable number.

800000500 is an abundant number, since it is smaller than the sum of its proper divisors (1081615964).

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

800000500 is a wasteful number, since it uses less digits than its factorization.

800000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123109 (or 123097 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 800000500 is about 28284.2800862953. The cubic root of 800000500 is about 928.3179601221.

Adding to 800000500 its reverse (5000008), we get a palindrome (805000508).

It can be divided in two parts, 800000 and 500, that multiplied together give a square (400000000 = 20000²).

The spelling of 800000500 in words is "eight hundred million, five hundred", and thus it is an aban number.