8064771547 has 12 divisors (see below), whose sum is σ = 9261259120. Its totient is φ = 6879406608.

The previous prime is 8064771511. The next prime is 8064771557. The reversal of 8064771547 is 7451774608.

It is not a de Polignac number, because 8064771547 - 2¹⁹ = 8064247259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8064771547.

It is not an unprimeable number, because it can be changed into a prime (8064771557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3594408 + ... + 3596650.

Almost surely, 2^8064771547 is an apocalyptic number.

8064771547 is a deficient number, since it is larger than the sum of its proper divisors (1196487573).

8064771547 is an frugal number, since it uses more digits than its factorization.

8064771547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 49.

The square root of 8064771547 is about 89804.0731091859. The cubic root of 8064771547 is about 2005.3831268897.

The spelling of 8064771547 in words is "eight billion, sixty-four million, seven hundred seventy-one thousand, five hundred forty-seven".