85910574571 has 4 divisors (see below), whose sum is σ = 85920085944. Its totient is φ = 85901063200.

The previous prime is 85910574521. The next prime is 85910574583. The reversal of 85910574571 is 17547501958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85910574571 - 2¹⁵ = 85910541803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85910574511) 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 in 3 ways as a sum of consecutive naturals, for example, 4742125 + ... + 4760206.

It is an arithmetic number, because the mean of its divisors is an integer number (21480021486).

Almost surely, 2^85910574571 is an apocalyptic number.

85910574571 is a deficient number, since it is larger than the sum of its proper divisors (9511373).

85910574571 is an equidigital number, since it uses as much as digits as its factorization.

85910574571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511372.

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 85910574571 in words is "eighty-five billion, nine hundred ten million, five hundred seventy-four thousand, five hundred seventy-one".