85633633 has 4 divisors (see below), whose sum is σ = 85685908. Its totient is φ = 85581360.

The previous prime is 85633621. The next prime is 85633649. The reversal of 85633633 is 33633658.

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 45792289 + 39841344 = 6767^2 + 6312^2 .

It is a cyclic number.

It is not a de Polignac number, because 85633633 - 2⁵ = 85633601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85633592 and 85633601.

It is not an unprimeable number, because it can be changed into a prime (85631633) 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, 23598 + ... + 26983.

It is an arithmetic number, because the mean of its divisors is an integer number (21421477).

Almost surely, 2^85633633 is an apocalyptic number.

It is an amenable number.

85633633 is a deficient number, since it is larger than the sum of its proper divisors (52275).

85633633 is a wasteful number, since it uses less digits than its factorization.

85633633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52274.

The product of its digits is 116640, while the sum is 37.

The square root of 85633633 is about 9253.8442282113. The cubic root of 85633633 is about 440.7728033770.

The spelling of 85633633 in words is "eighty-five million, six hundred thirty-three thousand, six hundred thirty-three".