857967453724229 has 2 divisors, whose sum is σ = 857967453724230. Its totient is φ = 857967453724228.

The previous prime is 857967453724193. The next prime is 857967453724243. The reversal of 857967453724229 is 922427354769758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537264650260900 + 320702803463329 = 23178970^2 + 17908177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-857967453724229 is a prime.

It is a super-2 number, since 2×857967453724229² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857967453723229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428983726862114 + 428983726862115.

It is an arithmetic number, because the mean of its divisors is an integer number (428983726862115).

Almost surely, 2^{857967453724229} is an apocalyptic number.

It is an amenable number.

857967453724229 is a deficient number, since it is larger than the sum of its proper divisors (1).

857967453724229 is an equidigital number, since it uses as much as digits as its factorization.

857967453724229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12802406400, while the sum is 80.

The spelling of 857967453724229 in words is "eight hundred fifty-seven trillion, nine hundred sixty-seven billion, four hundred fifty-three million, seven hundred twenty-four thousand, two hundred twenty-nine".