85992133 has 4 divisors (see below), whose sum is σ = 86012640. Its totient is φ = 85971628.

The previous prime is 85992121. The next prime is 85992139. The reversal of 85992133 is 33129958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85992133 - 2²¹ = 83894981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85992139) 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, 1435 + ... + 13192.

It is an arithmetic number, because the mean of its divisors is an integer number (21503160).

Almost surely, 2^85992133 is an apocalyptic number.

It is an amenable number.

85992133 is a deficient number, since it is larger than the sum of its proper divisors (20507).

85992133 is a wasteful number, since it uses less digits than its factorization.

85992133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20506.

The product of its digits is 58320, while the sum is 40.

The square root of 85992133 is about 9273.1943255817. The cubic root of 85992133 is about 441.3870365404.

The spelling of 85992133 in words is "eighty-five million, nine hundred ninety-two thousand, one hundred thirty-three".