85628318 has 4 divisors (see below), whose sum is σ = 128442480. Its totient is φ = 42814158.

The previous prime is 85628311. The next prime is 85628369. The reversal of 85628318 is 81382658.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85628311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21407078 + ... + 21407081.

It is an arithmetic number, because the mean of its divisors is an integer number (32110620).

Almost surely, 2^85628318 is an apocalyptic number.

85628318 is a deficient number, since it is larger than the sum of its proper divisors (42814162).

85628318 is a wasteful number, since it uses less digits than its factorization.

85628318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42814161.

The product of its digits is 92160, while the sum is 41.

The square root of 85628318 is about 9253.5570458068. The cubic root of 85628318 is about 440.7636840788.

The spelling of 85628318 in words is "eighty-five million, six hundred twenty-eight thousand, three hundred eighteen".