86809732 has 12 divisors (see below), whose sum is σ = 152123020. Its totient is φ = 43346016.

The previous prime is 86809729. The next prime is 86809753. The reversal of 86809732 is 23790868.

It can be written as a sum of positive squares in 2 ways, for example, as 62346816 + 24462916 = 7896^2 + 4946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11307 + ... + 17362.

Almost surely, 2^86809732 is an apocalyptic number.

It is an amenable number.

86809732 is a deficient number, since it is larger than the sum of its proper divisors (65313288).

86809732 is a wasteful number, since it uses less digits than its factorization.

86809732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29430 (or 29428 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 86809732 is about 9317.1740350817. The cubic root of 86809732 is about 442.7815047274.

The spelling of 86809732 in words is "eighty-six million, eight hundred nine thousand, seven hundred thirty-two".