86162728 has 16 divisors (see below), whose sum is σ = 161686080. Its totient is φ = 43046448.

The previous prime is 86162719. The next prime is 86162729. The reversal of 86162728 is 82726168.

It is not an unprimeable number, because it can be changed into a prime (86162729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8275 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (10105380).

Almost surely, 2^86162728 is an apocalyptic number.

It is an amenable number.

86162728 is a deficient number, since it is larger than the sum of its proper divisors (75523352).

86162728 is a wasteful number, since it uses less digits than its factorization.

86162728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736 (or 8732 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 86162728 is about 9282.3880548057. The cubic root of 86162728 is about 441.6787247845.

The spelling of 86162728 in words is "eighty-six million, one hundred sixty-two thousand, seven hundred twenty-eight".