8457274853 has 2 divisors, whose sum is σ = 8457274854. Its totient is φ = 8457274852.

The previous prime is 8457274829. The next prime is 8457274871. The reversal of 8457274853 is 3584727548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7665527809 + 791747044 = 87553^2 + 28138^2 .

It is a cyclic number.

It is not a de Polignac number, because 8457274853 - 2¹⁸ = 8457012709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8457274795 and 8457274804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8457274753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228637426 + 4228637427.

It is an arithmetic number, because the mean of its divisors is an integer number (4228637427).

Almost surely, 2^8457274853 is an apocalyptic number.

It is an amenable number.

8457274853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457274853 is an equidigital number, since it uses as much as digits as its factorization.

8457274853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7526400, while the sum is 53.

The square root of 8457274853 is about 91963.4430249325. The cubic root of 8457274853 is about 2037.4024073998.

The spelling of 8457274853 in words is "eight billion, four hundred fifty-seven million, two hundred seventy-four thousand, eight hundred fifty-three".