801011843 has 4 divisors (see below), whose sum is σ = 816125328. Its totient is φ = 785898360.

The previous prime is 801011839. The next prime is 801011857. The reversal of 801011843 is 348110108.

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

It is a cyclic number.

It is not a de Polignac number, because 801011843 - 2² = 801011839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801011833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7556663 + ... + 7556768.

It is an arithmetic number, because the mean of its divisors is an integer number (204031332).

Almost surely, 2^801011843 is an apocalyptic number.

801011843 is a deficient number, since it is larger than the sum of its proper divisors (15113485).

801011843 is a wasteful number, since it uses less digits than its factorization.

801011843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15113484.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 801011843 is about 28302.1526213113. The cubic root of 801011843 is about 928.7089817630.

The spelling of 801011843 in words is "eight hundred one million, eleven thousand, eight hundred forty-three".