8047722773 has 4 divisors (see below), whose sum is σ = 8068735488. Its totient is φ = 8026710060.

The previous prime is 8047722757. The next prime is 8047722797. The reversal of 8047722773 is 3772277408.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 8047722773 - 2⁴ = 8047722757 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 (8047722713) 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, 10505783 + ... + 10506548.

It is an arithmetic number, because the mean of its divisors is an integer number (2017183872).

Almost surely, 2^8047722773 is an apocalyptic number.

It is an amenable number.

8047722773 is a deficient number, since it is larger than the sum of its proper divisors (21012715).

8047722773 is a wasteful number, since it uses less digits than its factorization.

8047722773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012714.

The product of its (nonzero) digits is 921984, while the sum is 47.

The square root of 8047722773 is about 89709.1008370946. The cubic root of 8047722773 is about 2003.9690159957.

The spelling of 8047722773 in words is "eight billion, forty-seven million, seven hundred twenty-two thousand, seven hundred seventy-three".