810087266005 has 16 divisors (see below), whose sum is σ = 1025898681600. Its totient is φ = 612382541760.

The previous prime is 810087266003. The next prime is 810087266011. The reversal of 810087266005 is 500662780018.

It is not a de Polignac number, because 810087266005 - 2¹ = 810087266003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810087266003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10923501 + ... + 10997410.

It is an arithmetic number, because the mean of its divisors is an integer number (64118667600).

Almost surely, 2^810087266005 is an apocalyptic number.

It is an amenable number.

810087266005 is a deficient number, since it is larger than the sum of its proper divisors (215811415595).

810087266005 is a wasteful number, since it uses less digits than its factorization.

810087266005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21921324.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 810087266005 in words is "eight hundred ten billion, eighty-seven million, two hundred sixty-six thousand, five".