85958235 has 48 divisors (see below), whose sum is σ = 163507968. Its totient is φ = 41428800.

The previous prime is 85958231. The next prime is 85958237. The reversal of 85958235 is 53285958.

85958235 = 730² + 731² + ... + 864².

It is not a de Polignac number, because 85958235 - 2² = 85958231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (85958231) 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 47 ways as a sum of consecutive naturals, for example, 104034 + ... + 104856.

It is an arithmetic number, because the mean of its divisors is an integer number (3406416).

Almost surely, 2^85958235 is an apocalyptic number.

85958235 is a deficient number, since it is larger than the sum of its proper divisors (77549733).

85958235 is a wasteful number, since it uses less digits than its factorization.

85958235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1053 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 85958235 is about 9271.3664041499. The cubic root of 85958235 is about 441.3290308303.

The spelling of 85958235 in words is "eighty-five million, nine hundred fifty-eight thousand, two hundred thirty-five".