85575793 has 2 divisors, whose sum is σ = 85575794. Its totient is φ = 85575792.

The previous prime is 85575769. The next prime is 85575811. The reversal of 85575793 is 39757558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 5419584 = 8953^2 + 2328^2 .

It is a cyclic number.

It is not a de Polignac number, because 85575793 - 2¹⁷ = 85444721 is a prime.

It is not a weakly prime, because it can be changed into another prime (85575703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42787896 + 42787897.

It is an arithmetic number, because the mean of its divisors is an integer number (42787897).

Almost surely, 2^85575793 is an apocalyptic number.

It is an amenable number.

85575793 is a deficient number, since it is larger than the sum of its proper divisors (1).

85575793 is an equidigital number, since it uses as much as digits as its factorization.

85575793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323000, while the sum is 49.

The square root of 85575793 is about 9250.7185126346. The cubic root of 85575793 is about 440.6735431521.

It can be divided in two parts, 85575 and 793, that added together give a palindrome (86368).

The spelling of 85575793 in words is "eighty-five million, five hundred seventy-five thousand, seven hundred ninety-three".