85667628 has 24 divisors (see below), whose sum is σ = 200112640. Its totient is φ = 28524240.

The previous prime is 85667611. The next prime is 85667629. The reversal of 85667628 is 82676658.

It is not an unprimeable number, because it can be changed into a prime (85667629) 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, 9033 + ... + 15903.

Almost surely, 2^85667628 is an apocalyptic number.

It is an amenable number.

85667628 is an abundant number, since it is smaller than the sum of its proper divisors (114445012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85667628 is a wasteful number, since it uses less digits than its factorization.

85667628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917 (or 7915 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 85667628 is about 9255.6808501590. The cubic root of 85667628 is about 440.8311219316.

The spelling of 85667628 in words is "eighty-five million, six hundred sixty-seven thousand, six hundred twenty-eight".