801139671 has 24 divisors (see below), whose sum is σ = 1230413184. Its totient is φ = 500567040.

The previous prime is 801139649. The next prime is 801139687. The reversal of 801139671 is 176931108.

It is not a de Polignac number, because 801139671 - 2⁹ = 801139159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801139571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26010 + ... + 47736.

It is an arithmetic number, because the mean of its divisors is an integer number (51267216).

Almost surely, 2^801139671 is an apocalyptic number.

801139671 is a deficient number, since it is larger than the sum of its proper divisors (429273513).

801139671 is a wasteful number, since it uses less digits than its factorization.

801139671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21991 (or 21988 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 801139671 is about 28304.4108046785. The cubic root of 801139671 is about 928.7583812396.

The spelling of 801139671 in words is "eight hundred one million, one hundred thirty-nine thousand, six hundred seventy-one".