800653473808 has 20 divisors (see below), whose sum is σ = 1554721055100. Its totient is φ = 399435137024.

The previous prime is 800653473797. The next prime is 800653473857. The reversal of 800653473808 is 808374356008.

It can be written as a sum of positive squares in 2 ways, for example, as 649042919424 + 151610554384 = 805632^2 + 389372^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55717585 + ... + 55731952.

It is an arithmetic number, because the mean of its divisors is an integer number (77736052755).

Almost surely, 2^800653473808 is an apocalyptic number.

It is an amenable number.

800653473808 is a deficient number, since it is larger than the sum of its proper divisors (754067581292).

800653473808 is a wasteful number, since it uses less digits than its factorization.

800653473808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111449994 (or 111449988 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 800653473808 in words is "eight hundred billion, six hundred fifty-three million, four hundred seventy-three thousand, eight hundred eight".