801688255 has 8 divisors (see below), whose sum is σ = 962602992. Its totient is φ = 640965888.

The previous prime is 801688231. The next prime is 801688273. The reversal of 801688255 is 552886108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 801688255 - 2⁷ = 801688127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38757 + ... + 55726.

It is an arithmetic number, because the mean of its divisors is an integer number (120325374).

Almost surely, 2^801688255 is an apocalyptic number.

801688255 is a deficient number, since it is larger than the sum of its proper divisors (160914737).

801688255 is a wasteful number, since it uses less digits than its factorization.

801688255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96185.

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 801688255 is about 28314.0999327190. The cubic root of 801688255 is about 928.9703233664.

The spelling of 801688255 in words is "eight hundred one million, six hundred eighty-eight thousand, two hundred fifty-five".