806590794815 has 64 divisors (see below), whose sum is σ = 1088586076032. Its totient is φ = 569847398400.

The previous prime is 806590794809. The next prime is 806590794853. The reversal of 806590794815 is 518497095608.

It is a Cunningham number, because it is equal to 898104²-1.

It is not a de Polignac number, because 806590794815 - 2²⁰ = 806589746239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54777044 + ... + 54791766.

It is an arithmetic number, because the mean of its divisors is an integer number (17009157438).

Almost surely, 2^806590794815 is an apocalyptic number.

806590794815 is a deficient number, since it is larger than the sum of its proper divisors (281995281217).

806590794815 is a wasteful number, since it uses less digits than its factorization.

806590794815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15180.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 806590794815 in words is "eight hundred six billion, five hundred ninety million, seven hundred ninety-four thousand, eight hundred fifteen".