85185358 has 4 divisors (see below), whose sum is σ = 127778040. Its totient is φ = 42592678.

The previous prime is 85185349. The next prime is 85185391. The reversal of 85185358 is 85358158.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21296338 + ... + 21296341.

It is an arithmetic number, because the mean of its divisors is an integer number (31944510).

Almost surely, 2^85185358 is an apocalyptic number.

85185358 is a deficient number, since it is larger than the sum of its proper divisors (42592682).

85185358 is a wasteful number, since it uses less digits than its factorization.

85185358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42592681.

The product of its digits is 192000, while the sum is 43.

The square root of 85185358 is about 9229.5914319107. The cubic root of 85185358 is about 440.0023381418.

Adding to 85185358 its product of digits (192000), we get a palindrome (85377358).

The spelling of 85185358 in words is "eighty-five million, one hundred eighty-five thousand, three hundred fifty-eight".