85633673 has 4 divisors (see below), whose sum is σ = 86665488. Its totient is φ = 84601860.

The previous prime is 85633661. The next prime is 85633679. The reversal of 85633673 is 37633658.

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 85633673 - 2⁴ = 85633657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85633673.

It is not an unprimeable number, because it can be changed into a prime (85633679) 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, 515783 + ... + 515948.

It is an arithmetic number, because the mean of its divisors is an integer number (21666372).

Almost surely, 2^85633673 is an apocalyptic number.

85633673 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

85633673 is a deficient number, since it is larger than the sum of its proper divisors (1031815).

85633673 is a wasteful number, since it uses less digits than its factorization.

85633673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031814.

The product of its digits is 272160, while the sum is 41.

The square root of 85633673 is about 9253.8463894750. The cubic root of 85633673 is about 440.7728720063.

The spelling of 85633673 in words is "eighty-five million, six hundred thirty-three thousand, six hundred seventy-three".