86986730 has 8 divisors (see below), whose sum is σ = 156576132. Its totient is φ = 34794688.

The previous prime is 86986723. The next prime is 86986763. The reversal of 86986730 is 3768968.

It can be written as a sum of positive squares in 2 ways, for example, as 79691329 + 7295401 = 8927^2 + 2701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349327 + ... + 4349346.

Almost surely, 2^86986730 is an apocalyptic number.

86986730 is a deficient number, since it is larger than the sum of its proper divisors (69589402).

86986730 is a wasteful number, since it uses less digits than its factorization.

86986730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698680.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 86986730 is about 9326.6676792947. The cubic root of 86986730 is about 443.0822322875.

The spelling of 86986730 in words is "eighty-six million, nine hundred eighty-six thousand, seven hundred thirty".