8127467617 has 2 divisors, whose sum is σ = 8127467618. Its totient is φ = 8127467616.

The previous prime is 8127467591. The next prime is 8127467641. The reversal of 8127467617 is 7167647218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7645928481 + 481539136 = 87441^2 + 21944^2 .

It is a cyclic number.

It is not a de Polignac number, because 8127467617 - 2¹⁵ = 8127434849 is a prime.

It is not a weakly prime, because it can be changed into another prime (8127467017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063733808 + 4063733809.

It is an arithmetic number, because the mean of its divisors is an integer number (4063733809).

Almost surely, 2^8127467617 is an apocalyptic number.

It is an amenable number.

8127467617 is a deficient number, since it is larger than the sum of its proper divisors (1).

8127467617 is an equidigital number, since it uses as much as digits as its factorization.

8127467617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 49.

The square root of 8127467617 is about 90152.4687238236. The cubic root of 8127467617 is about 2010.5663789250.

The spelling of 8127467617 in words is "eight billion, one hundred twenty-seven million, four hundred sixty-seven thousand, six hundred seventeen".