33085777 has 4 divisors (see below), whose sum is σ = 33103360. Its totient is φ = 33068196.

The previous prime is 33085747. The next prime is 33085817. The reversal of 33085777 is 77758033.

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 a de Polignac number, because none of the positive numbers 2^k-33085777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33085747) 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, 5577 + ... + 9862.

It is an arithmetic number, because the mean of its divisors is an integer number (8275840).

Almost surely, 2^33085777 is an apocalyptic number.

It is an amenable number.

33085777 is a deficient number, since it is larger than the sum of its proper divisors (17583).

33085777 is a wasteful number, since it uses less digits than its factorization.

33085777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17582.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 33085777 is about 5752.0237308273. The cubic root of 33085777 is about 321.0311043445.

The spelling of 33085777 in words is "thirty-three million, eighty-five thousand, seven hundred seventy-seven".