805477856835 has 16 divisors (see below), whose sum is σ = 1310608039680. Its totient is φ = 422307034080.

The previous prime is 805477856791. The next prime is 805477856861. The reversal of 805477856835 is 538658774508.

805477856835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 805477856835 - 2²⁰ = 805476808259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455071351 + ... + 455073120.

It is an arithmetic number, because the mean of its divisors is an integer number (81913002480).

Almost surely, 2^805477856835 is an apocalyptic number.

805477856835 is a deficient number, since it is larger than the sum of its proper divisors (505130182845).

805477856835 is a wasteful number, since it uses less digits than its factorization.

805477856835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910144538.

The product of its (nonzero) digits is 225792000, while the sum is 66.

The spelling of 805477856835 in words is "eight hundred five billion, four hundred seventy-seven million, eight hundred fifty-six thousand, eight hundred thirty-five".