86447628 has 24 divisors (see below), whose sum is σ = 224123760. Its totient is φ = 28815840.

The previous prime is 86447597. The next prime is 86447629. The reversal of 86447628 is 82674468.

It is not an unprimeable number, because it can be changed into a prime (86447629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400113 + ... + 400328.

It is an arithmetic number, because the mean of its divisors is an integer number (9338490).

Almost surely, 2^86447628 is an apocalyptic number.

It is an amenable number.

86447628 is an abundant number, since it is smaller than the sum of its proper divisors (137676132).

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

86447628 is a wasteful number, since it uses less digits than its factorization.

86447628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800454 (or 800446 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 86447628 is about 9297.7216564059. The cubic root of 86447628 is about 442.1649978094.

The spelling of 86447628 in words is "eighty-six million, four hundred forty-seven thousand, six hundred twenty-eight".