85018633 has 8 divisors (see below), whose sum is σ = 100514880. Its totient is φ = 70360080.

The previous prime is 85018621. The next prime is 85018663. The reversal of 85018633 is 33681058.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85018633 - 2⁹ = 85018121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85018613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209203 + ... + 209608.

It is an arithmetic number, because the mean of its divisors is an integer number (12564360).

Almost surely, 2^85018633 is an apocalyptic number.

It is an amenable number.

85018633 is a deficient number, since it is larger than the sum of its proper divisors (15496247).

85018633 is a wasteful number, since it uses less digits than its factorization.

85018633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418847.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 85018633 is about 9220.5549182248. The cubic root of 85018633 is about 439.7150927616.

The spelling of 85018633 in words is "eighty-five million, eighteen thousand, six hundred thirty-three".