800812346386 has 24 divisors (see below), whose sum is σ = 1301314615524. Its totient is φ = 369438937920.

The previous prime is 800812346371. The next prime is 800812346393. The reversal of 800812346386 is 683643218008.

It can be written as a sum of positive squares in 6 ways, for example, as 118091886025 + 682720460361 = 343645^2 + 826269^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217320 + ... + 1284076.

Almost surely, 2^800812346386 is an apocalyptic number.

800812346386 is a deficient number, since it is larger than the sum of its proper divisors (500502269138).

800812346386 is a wasteful number, since it uses less digits than its factorization.

800812346386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069006 (or 1068993 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 800812346386 in words is "eight hundred billion, eight hundred twelve million, three hundred forty-six thousand, three hundred eighty-six".