8071297757 has 16 divisors (see below), whose sum is σ = 8752043520. Its totient is φ = 7413729792.

The previous prime is 8071297721. The next prime is 8071297769. The reversal of 8071297757 is 7577921708.

It is a cyclic number.

It is not a de Polignac number, because 8071297757 - 2⁶ = 8071297693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8071297699 and 8071297708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8071297657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048073 + ... + 1055745.

It is an arithmetic number, because the mean of its divisors is an integer number (547002720).

Almost surely, 2^8071297757 is an apocalyptic number.

It is an amenable number.

8071297757 is a deficient number, since it is larger than the sum of its proper divisors (680745763).

8071297757 is a wasteful number, since it uses less digits than its factorization.

8071297757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172.

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

The square root of 8071297757 is about 89840.4015852556. The cubic root of 8071297757 is about 2005.9239160355.

The spelling of 8071297757 in words is "eight billion, seventy-one million, two hundred ninety-seven thousand, seven hundred fifty-seven".