80711001 has 24 divisors (see below), whose sum is σ = 136491264. Its totient is φ = 44994240.

The previous prime is 80710999. The next prime is 80711027. The reversal of 80711001 is 10011708.

It is not a de Polignac number, because 80711001 - 2¹ = 80710999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80711051) 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, 13041 + ... + 18206.

It is an arithmetic number, because the mean of its divisors is an integer number (5687136).

Almost surely, 2^80711001 is an apocalyptic number.

It is an amenable number.

80711001 is a deficient number, since it is larger than the sum of its proper divisors (55780263).

80711001 is a wasteful number, since it uses less digits than its factorization.

80711001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31301 (or 31298 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 80711001 is about 8983.9301533349. The cubic root of 80711001 is about 432.1596792681.

Adding to 80711001 its reverse (10011708), we get a palindrome (90722709).

The spelling of 80711001 in words is "eighty million, seven hundred eleven thousand, one".