801179811 has 12 divisors (see below), whose sum is σ = 1185486120. Its totient is φ = 521092320.

The previous prime is 801179789. The next prime is 801179857. The reversal of 801179811 is 118971108.

It is a happy number.

It is not a de Polignac number, because 801179811 - 2⁷ = 801179683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801179411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085241 + ... + 1085978.

It is an arithmetic number, because the mean of its divisors is an integer number (98790510).

Almost surely, 2^801179811 is an apocalyptic number.

801179811 is a deficient number, since it is larger than the sum of its proper divisors (384306309).

801179811 is a wasteful number, since it uses less digits than its factorization.

801179811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171266 (or 2171263 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 36.

The square root of 801179811 is about 28305.1198725602. The cubic root of 801179811 is about 928.7738923671.

The spelling of 801179811 in words is "eight hundred one million, one hundred seventy-nine thousand, eight hundred eleven".