800780103238 has 4 divisors (see below), whose sum is σ = 1201170154860. Its totient is φ = 400390051618.

The previous prime is 800780103229. The next prime is 800780103283. The reversal of 800780103238 is 832301087008.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 800780103238.

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, 200195025808 + ... + 200195025811.

It is an arithmetic number, because the mean of its divisors is an integer number (300292538715).

Almost surely, 2^800780103238 is an apocalyptic number.

800780103238 is a deficient number, since it is larger than the sum of its proper divisors (400390051622).

800780103238 is a wasteful number, since it uses less digits than its factorization.

800780103238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400390051621.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 800780103238 in words is "eight hundred billion, seven hundred eighty million, one hundred three thousand, two hundred thirty-eight".