86601885228 has 36 divisors (see below), whose sum is σ = 219497245968. Its totient is φ = 28789898400.

The previous prime is 86601885193. The next prime is 86601885283. The reversal of 86601885228 is 82258810668.

It is a happy number.

86601885228 is a `hidden beast` number, since 8 + 6 + 601 + 8 + 8 + 5 + 2 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×86601885228² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3211248 + ... + 3238103.

Almost surely, 2^86601885228 is an apocalyptic number.

It is an amenable number.

86601885228 is an abundant number, since it is smaller than the sum of its proper divisors (132895360740).

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

86601885228 is a wasteful number, since it uses less digits than its factorization.

86601885228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449734 (or 6449729 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 86601885228 in words is "eighty-six billion, six hundred one million, eight hundred eighty-five thousand, two hundred twenty-eight".