8865317497 has 2 divisors, whose sum is σ = 8865317498. Its totient is φ = 8865317496.

The previous prime is 8865317477. The next prime is 8865317569. The reversal of 8865317497 is 7947135688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6407041936 + 2458275561 = 80044^2 + 49581^2 .

It is a cyclic number.

It is not a de Polignac number, because 8865317497 - 2¹⁹ = 8864793209 is a prime.

It is a super-2 number, since 2×8865317497² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8865317477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4432658748 + 4432658749.

It is an arithmetic number, because the mean of its divisors is an integer number (4432658749).

Almost surely, 2^8865317497 is an apocalyptic number.

It is an amenable number.

8865317497 is a deficient number, since it is larger than the sum of its proper divisors (1).

8865317497 is an equidigital number, since it uses as much as digits as its factorization.

8865317497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 58.

The square root of 8865317497 is about 94155.8149930210. The cubic root of 8865317497 is about 2069.6556715264.

The spelling of 8865317497 in words is "eight billion, eight hundred sixty-five million, three hundred seventeen thousand, four hundred ninety-seven".