800996381773 has 4 divisors (see below), whose sum is σ = 915424436320. Its totient is φ = 686568327228.

The previous prime is 800996381753. The next prime is 800996381849. The reversal of 800996381773 is 377183699008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 800996381773 - 2⁹ = 800996381261 is a prime.

It is a super-2 number, since 2×800996381773² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800996381753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57214027263 + ... + 57214027276.

It is an arithmetic number, because the mean of its divisors is an integer number (228856109080).

Almost surely, 2^800996381773 is an apocalyptic number.

It is an amenable number.

800996381773 is a deficient number, since it is larger than the sum of its proper divisors (114428054547).

800996381773 is a wasteful number, since it uses less digits than its factorization.

800996381773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114428054546.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 800996381773 in words is "eight hundred billion, nine hundred ninety-six million, three hundred eighty-one thousand, seven hundred seventy-three".