85748321 has 8 divisors (see below), whose sum is σ = 88275264. Its totient is φ = 83245680.

The previous prime is 85748309. The next prime is 85748353. The reversal of 85748321 is 12384758.

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

It is a cyclic number.

It is not a de Polignac number, because 85748321 - 2²² = 81554017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85748381) 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, 1211 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (11034408).

Almost surely, 2^85748321 is an apocalyptic number.

It is an amenable number.

85748321 is a deficient number, since it is larger than the sum of its proper divisors (2526943).

85748321 is a wasteful number, since it uses less digits than its factorization.

85748321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151.

The product of its digits is 53760, while the sum is 38.

The square root of 85748321 is about 9260.0389308037. The cubic root of 85748321 is about 440.9694893391.

The spelling of 85748321 in words is "eighty-five million, seven hundred forty-eight thousand, three hundred twenty-one".