810003868 has 6 divisors (see below), whose sum is σ = 1417506776. Its totient is φ = 405001932.

The previous prime is 810003847. The next prime is 810003871. The reversal of 810003868 is 868300018.

810003868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×810003868² = 1312212532349922848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101250480 + ... + 101250487.

Almost surely, 2^810003868 is an apocalyptic number.

It is an amenable number.

810003868 is a deficient number, since it is larger than the sum of its proper divisors (607502908).

810003868 is a wasteful number, since it uses less digits than its factorization.

810003868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202500971 (or 202500969 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 810003868 is about 28460.5668952676. The cubic root of 810003868 is about 932.1712355832.

The spelling of 810003868 in words is "eight hundred ten million, three thousand, eight hundred sixty-eight".