801205763671 has 4 divisors (see below), whose sum is σ = 802538885344. Its totient is φ = 799872642000.

The previous prime is 801205763663. The next prime is 801205763741. The reversal of 801205763671 is 176367502108.

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 801205763671 - 2³ = 801205763663 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 (801205763621) 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, 666559935 + ... + 666561136.

It is an arithmetic number, because the mean of its divisors is an integer number (200634721336).

Almost surely, 2^801205763671 is an apocalyptic number.

801205763671 is a deficient number, since it is larger than the sum of its proper divisors (1333121673).

801205763671 is a wasteful number, since it uses less digits than its factorization.

801205763671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333121672.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 801205763671 in words is "eight hundred one billion, two hundred five million, seven hundred sixty-three thousand, six hundred seventy-one".