808051855 has 16 divisors (see below), whose sum is σ = 1099213920. Its totient is φ = 565308288.

The previous prime is 808051841. The next prime is 808051861. The reversal of 808051855 is 558150808.

It is a cyclic number.

It is not a de Polignac number, because 808051855 - 2²¹ = 805954703 is a prime.

It is a congruent number.

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, 325912 + ... + 328381.

It is an arithmetic number, because the mean of its divisors is an integer number (68700870).

Almost surely, 2^808051855 is an apocalyptic number.

808051855 is a deficient number, since it is larger than the sum of its proper divisors (291162065).

808051855 is a wasteful number, since it uses less digits than its factorization.

808051855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654330.

The product of its (nonzero) digits is 64000, while the sum is 40.

The square root of 808051855 is about 28426.2529187369. The cubic root of 808051855 is about 931.4218259883.

The spelling of 808051855 in words is "eight hundred eight million, fifty-one thousand, eight hundred fifty-five".