8056381771 has 4 divisors (see below), whose sum is σ = 8058609072. Its totient is φ = 8054154472.

The previous prime is 8056381763. The next prime is 8056381819. The reversal of 8056381771 is 1771836508.

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 8056381771 - 2³ = 8056381763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8056381721) 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, 1108216 + ... + 1115461.

It is an arithmetic number, because the mean of its divisors is an integer number (2014652268).

Almost surely, 2^8056381771 is an apocalyptic number.

8056381771 is a deficient number, since it is larger than the sum of its proper divisors (2227301).

8056381771 is a wasteful number, since it uses less digits than its factorization.

8056381771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227300.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 8056381771 is about 89757.3493982526. The cubic root of 8056381771 is about 2004.6874860708.

The spelling of 8056381771 in words is "eight billion, fifty-six million, three hundred eighty-one thousand, seven hundred seventy-one".