86816028 has 24 divisors (see below), whose sum is σ = 218153488. Its totient is φ = 26712576.

The previous prime is 86816021. The next prime is 86816047. The reversal of 86816028 is 82061868.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86816021) 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, 278101 + ... + 278412.

Almost surely, 2^86816028 is an apocalyptic number.

It is an amenable number.

86816028 is an abundant number, since it is smaller than the sum of its proper divisors (131337460).

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

86816028 is a wasteful number, since it uses less digits than its factorization.

86816028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556533 (or 556531 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 86816028 is about 9317.5118996436. The cubic root of 86816028 is about 442.7922089226.

The spelling of 86816028 in words is "eighty-six million, eight hundred sixteen thousand, twenty-eight".