85580833 has 4 divisors (see below), whose sum is σ = 92163988. Its totient is φ = 78997680.

The previous prime is 85580819. The next prime is 85580837. The reversal of 85580833 is 33808558.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27699169 + 57881664 = 5263^2 + 7608^2 .

It is a cyclic number.

It is not a de Polignac number, because 85580833 - 2⁹ = 85580321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85580837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3291558 + ... + 3291583.

It is an arithmetic number, because the mean of its divisors is an integer number (23040997).

Almost surely, 2^85580833 is an apocalyptic number.

It is an amenable number.

85580833 is a deficient number, since it is larger than the sum of its proper divisors (6583155).

85580833 is a wasteful number, since it uses less digits than its factorization.

85580833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583154.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 85580833 is about 9250.9909198961. The cubic root of 85580833 is about 440.6821941618.

The spelling of 85580833 in words is "eighty-five million, five hundred eighty thousand, eight hundred thirty-three".