8072571797 has 2 divisors, whose sum is σ = 8072571798. Its totient is φ = 8072571796.

The previous prime is 8072571659. The next prime is 8072571817. The reversal of 8072571797 is 7971752708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5196823921 + 2875747876 = 72089^2 + 53626^2 .

It is a cyclic number.

It is not a de Polignac number, because 8072571797 - 2¹⁰ = 8072570773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8072571197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036285898 + 4036285899.

It is an arithmetic number, because the mean of its divisors is an integer number (4036285899).

Almost surely, 2^8072571797 is an apocalyptic number.

It is an amenable number.

8072571797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8072571797 is an equidigital number, since it uses as much as digits as its factorization.

8072571797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 53.

The square root of 8072571797 is about 89847.4918792951. The cubic root of 8072571797 is about 2006.0294543239.

The spelling of 8072571797 in words is "eight billion, seventy-two million, five hundred seventy-one thousand, seven hundred ninety-seven".