85453175771 has 2 divisors, whose sum is σ = 85453175772. Its totient is φ = 85453175770.

The previous prime is 85453175737. The next prime is 85453175779. The reversal of 85453175771 is 17757135458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85453175771 - 2⁶ = 85453175707 is a prime.

It is not a weakly prime, because it can be changed into another prime (85453175779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42726587885 + 42726587886.

It is an arithmetic number, because the mean of its divisors is an integer number (42726587886).

Almost surely, 2^85453175771 is an apocalyptic number.

85453175771 is a deficient number, since it is larger than the sum of its proper divisors (1).

85453175771 is an equidigital number, since it uses as much as digits as its factorization.

85453175771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4116000, while the sum is 53.

The spelling of 85453175771 in words is "eighty-five billion, four hundred fifty-three million, one hundred seventy-five thousand, seven hundred seventy-one".