808154534855 has 4 divisors (see below), whose sum is σ = 969785441832. Its totient is φ = 646523627880.

The previous prime is 808154534821. The next prime is 808154534917. The reversal of 808154534855 is 558435451808.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 808154534855 - 2³⁸ = 533276627911 is a prime.

It is a super-2 number, since 2×808154534855² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 808154534855.

It is a congruent number.

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, 80815453481 + ... + 80815453490.

It is an arithmetic number, because the mean of its divisors is an integer number (242446360458).

Almost surely, 2^808154534855 is an apocalyptic number.

808154534855 is a deficient number, since it is larger than the sum of its proper divisors (161630906977).

808154534855 is a wasteful number, since it uses less digits than its factorization.

808154534855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161630906976.

The product of its (nonzero) digits is 15360000, while the sum is 56.

The spelling of 808154534855 in words is "eight hundred eight billion, one hundred fifty-four million, five hundred thirty-four thousand, eight hundred fifty-five".