75822222857 has 2 divisors, whose sum is σ = 75822222858. Its totient is φ = 75822222856.

The previous prime is 75822222829. The next prime is 75822222859.

75822222857 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72610847296 + 3211375561 = 269464^2 + 56669^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 75822222857 - 2¹⁰ = 75822221833 is a prime.

It is a super-4 number, since 4×75822222857⁴ (a number of 45 digits) contains 4444 as substring.

Together with 75822222859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75822222859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37911111428 + 37911111429.

It is an arithmetic number, because the mean of its divisors is an integer number (37911111429).

Almost surely, 2^75822222857 is an apocalyptic number.

It is an amenable number.

75822222857 is a deficient number, since it is larger than the sum of its proper divisors (1).

75822222857 is an equidigital number, since it uses as much as digits as its factorization.

75822222857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2508800, while the sum is 50.

The spelling of 75822222857 in words is "seventy-five billion, eight hundred twenty-two million, two hundred twenty-two thousand, eight hundred fifty-seven".