86943556 has 24 divisors (see below), whose sum is σ = 175432320. Its totient is φ = 36930432.

The previous prime is 86943553. The next prime is 86943557. The reversal of 86943556 is 65534968.

It is not an unprimeable number, because it can be changed into a prime (86943551) 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, 10576 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (7309680).

Almost surely, 2^86943556 is an apocalyptic number.

It is an amenable number.

86943556 is an abundant number, since it is smaller than the sum of its proper divisors (88488764).

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

86943556 is a wasteful number, since it uses less digits than its factorization.

86943556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27603 (or 27601 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 86943556 is about 9324.3528461765. The cubic root of 86943556 is about 443.0089153649.

The spelling of 86943556 in words is "eighty-six million, nine hundred forty-three thousand, five hundred fifty-six".