8354323457 has 2 divisors, whose sum is σ = 8354323458. Its totient is φ = 8354323456.

The previous prime is 8354323409. The next prime is 8354323493. The reversal of 8354323457 is 7543234538.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5797908736 + 2556414721 = 76144^2 + 50561^2 .

It is a cyclic number.

It is not a de Polignac number, because 8354323457 - 2¹⁰ = 8354322433 is a prime.

It is not a weakly prime, because it can be changed into another prime (8354623457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4177161728 + 4177161729.

It is an arithmetic number, because the mean of its divisors is an integer number (4177161729).

Almost surely, 2^8354323457 is an apocalyptic number.

It is an amenable number.

8354323457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8354323457 is an equidigital number, since it uses as much as digits as its factorization.

8354323457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 44.

The square root of 8354323457 is about 91401.9882551797. The cubic root of 8354323457 is about 2029.1014536264.

The spelling of 8354323457 in words is "eight billion, three hundred fifty-four million, three hundred twenty-three thousand, four hundred fifty-seven".