86248728 has 48 divisors (see below), whose sum is σ = 234655200. Its totient is φ = 28618560.

The previous prime is 86248709. The next prime is 86248751. The reversal of 86248728 is 82784268.

It is a happy number.

It is a congruent number.

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, 13873 + ... + 19103.

It is an arithmetic number, because the mean of its divisors is an integer number (4888650).

Almost surely, 2^86248728 is an apocalyptic number.

It is an amenable number.

86248728 is an abundant number, since it is smaller than the sum of its proper divisors (148406472).

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

86248728 is a wasteful number, since it uses less digits than its factorization.

86248728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472 (or 5465 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 86248728 is about 9287.0193280729. The cubic root of 86248728 is about 441.8256241097.

The spelling of 86248728 in words is "eighty-six million, two hundred forty-eight thousand, seven hundred twenty-eight".