800064836 has 6 divisors (see below), whose sum is σ = 1400113470. Its totient is φ = 400032416.

The previous prime is 800064823. The next prime is 800064841. The reversal of 800064836 is 638460008.

It can be written as a sum of positive squares in only one way, i.e., 775956736 + 24108100 = 27856^2 + 4910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 800064796 and 800064805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100008101 + ... + 100008108.

It is an arithmetic number, because the mean of its divisors is an integer number (233352245).

Almost surely, 2^800064836 is an apocalyptic number.

It is an amenable number.

800064836 is a deficient number, since it is larger than the sum of its proper divisors (600048634).

800064836 is a wasteful number, since it uses less digits than its factorization.

800064836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200016213 (or 200016211 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 800064836 is about 28285.4173736220. The cubic root of 800064836 is about 928.3428445496.

The spelling of 800064836 in words is "eight hundred million, sixty-four thousand, eight hundred thirty-six".