800801135 has 16 divisors (see below), whose sum is σ = 985672800. Its totient is φ = 624207360.

The previous prime is 800801123. The next prime is 800801147. The reversal of 800801135 is 531108008.

It is an interprime number because it is at equal distance from previous prime (800801123) and next prime (800801147).

It is not a de Polignac number, because 800801135 - 2¹⁰ = 800800111 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 193316 + ... + 197414.

It is an arithmetic number, because the mean of its divisors is an integer number (61604550).

Almost surely, 2^800801135 is an apocalyptic number.

800801135 is a deficient number, since it is larger than the sum of its proper divisors (184871665).

800801135 is a wasteful number, since it uses less digits than its factorization.

800801135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 800801135 is about 28298.4299034416. The cubic root of 800801135 is about 928.6275416133.

The spelling of 800801135 in words is "eight hundred million, eight hundred one thousand, one hundred thirty-five".