85679228 has 6 divisors (see below), whose sum is σ = 149938656. Its totient is φ = 42839612.

The previous prime is 85679221. The next prime is 85679233. The reversal of 85679228 is 82297658.

It is a super-2 number, since 2×85679228² = 14681860221351968, which contains 22 as substring.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85679221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10709900 + ... + 10709907.

It is an arithmetic number, because the mean of its divisors is an integer number (24989776).

Almost surely, 2^85679228 is an apocalyptic number.

It is an amenable number.

85679228 is a deficient number, since it is larger than the sum of its proper divisors (64259428).

85679228 is a wasteful number, since it uses less digits than its factorization.

85679228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21419811 (or 21419809 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 85679228 is about 9256.3074711248. The cubic root of 85679228 is about 440.8510182461.

The spelling of 85679228 in words is "eighty-five million, six hundred seventy-nine thousand, two hundred twenty-eight".