802011871 has 8 divisors (see below), whose sum is σ = 813818880. Its totient is φ = 790246392.

The previous prime is 802011853. The next prime is 802011893. The reversal of 802011871 is 178110208.

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 802011871 - 2⁹ = 802011359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802011271) 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, 29646 + ... + 49828.

It is an arithmetic number, because the mean of its divisors is an integer number (101727360).

Almost surely, 2^802011871 is an apocalyptic number.

802011871 is a deficient number, since it is larger than the sum of its proper divisors (11807009).

802011871 is a wasteful number, since it uses less digits than its factorization.

802011871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20765.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 802011871 is about 28319.8141060283. The cubic root of 802011871 is about 929.0953051225.

It can be divided in two parts, 8020 and 11871, that added together give a palindrome (19891).

The spelling of 802011871 in words is "eight hundred two million, eleven thousand, eight hundred seventy-one".