800065801 has 8 divisors (see below), whose sum is σ = 811478304. Its totient is φ = 788695680.

The previous prime is 800065753. The next prime is 800065811. The reversal of 800065801 is 108560008.

It is a happy number.

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 800065801 - 2²¹ = 797968649 is a prime.

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 800065801.

It is not an unprimeable number, because it can be changed into a prime (800065811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28441 + ... + 49081.

It is an arithmetic number, because the mean of its divisors is an integer number (101434788).

Almost surely, 2^800065801 is an apocalyptic number.

It is an amenable number.

800065801 is a deficient number, since it is larger than the sum of its proper divisors (11412503).

800065801 is a wasteful number, since it uses less digits than its factorization.

800065801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 800065801 is about 28285.4344318768. The cubic root of 800065801 is about 928.3432177903.

The spelling of 800065801 in words is "eight hundred million, sixty-five thousand, eight hundred one".