8170478453 has 2 divisors, whose sum is σ = 8170478454. Its totient is φ = 8170478452.

The previous prime is 8170478441. The next prime is 8170478467. The reversal of 8170478453 is 3548740718.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6426747889 + 1743730564 = 80167^2 + 41758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8170478453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8170478398 and 8170478407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8170478053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4085239226 + 4085239227.

It is an arithmetic number, because the mean of its divisors is an integer number (4085239227).

Almost surely, 2^8170478453 is an apocalyptic number.

It is an amenable number.

8170478453 is a deficient number, since it is larger than the sum of its proper divisors (1).

8170478453 is an equidigital number, since it uses as much as digits as its factorization.

8170478453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 8170478453 is about 90390.6989297018. The cubic root of 8170478453 is about 2014.1068028664.

The spelling of 8170478453 in words is "eight billion, one hundred seventy million, four hundred seventy-eight thousand, four hundred fifty-three".