85434353 has 8 divisors (see below), whose sum is σ = 86235240. Its totient is φ = 84637440.

The previous prime is 85434341. The next prime is 85434383. The reversal of 85434353 is 35343458.

It can be written as a sum of positive squares in 4 ways, for example, as 11336689 + 74097664 = 3367^2 + 8608^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85434353 - 2⁴ = 85434337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85434383) 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 7 ways as a sum of consecutive naturals, for example, 56633 + ... + 58121.

It is an arithmetic number, because the mean of its divisors is an integer number (10779405).

Almost surely, 2^85434353 is an apocalyptic number.

It is an amenable number.

85434353 is a deficient number, since it is larger than the sum of its proper divisors (800887).

85434353 is a wasteful number, since it uses less digits than its factorization.

85434353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its digits is 86400, while the sum is 35.

The square root of 85434353 is about 9243.0705395988. The cubic root of 85434353 is about 440.4306269626.

The spelling of 85434353 in words is "eighty-five million, four hundred thirty-four thousand, three hundred fifty-three".