86147128 has 16 divisors (see below), whose sum is σ = 164174760. Its totient is φ = 42367200.

The previous prime is 86147119. The next prime is 86147141. The reversal of 86147128 is 82174168.

It is a super-3 number, since 3×86147128³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87778 + ... + 88753.

Almost surely, 2^86147128 is an apocalyptic number.

It is an amenable number.

86147128 is a deficient number, since it is larger than the sum of its proper divisors (78027632).

86147128 is a wasteful number, since it uses less digits than its factorization.

86147128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176598 (or 176594 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 86147128 is about 9281.5477157638. The cubic root of 86147128 is about 441.6520674578.

The spelling of 86147128 in words is "eighty-six million, one hundred forty-seven thousand, one hundred twenty-eight".