86628522 has 16 divisors (see below), whose sum is σ = 173369952. Its totient is φ = 28857360.

The previous prime is 86628499. The next prime is 86628527. The reversal of 86628522 is 22582668.

It is not an unprimeable number, because it can be changed into a prime (86628527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7848 + ... + 15324.

It is an arithmetic number, because the mean of its divisors is an integer number (10835622).

Almost surely, 2^86628522 is an apocalyptic number.

86628522 is an abundant number, since it is smaller than the sum of its proper divisors (86741430).

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

86628522 is a wasteful number, since it uses less digits than its factorization.

86628522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413.

The product of its digits is 92160, while the sum is 39.

The square root of 86628522 is about 9307.4444398019. Note that the first 4 decimals coincide. The cubic root of 86628522 is about 442.4731970104.

The spelling of 86628522 in words is "eighty-six million, six hundred twenty-eight thousand, five hundred twenty-two".