86787208 has 16 divisors (see below), whose sum is σ = 163330560. Its totient is φ = 43232400.

The previous prime is 86787203. The next prime is 86787209. The reversal of 86787208 is 80278768.

It is not an unprimeable number, because it can be changed into a prime (86787203) 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, 17848 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (10208160).

Almost surely, 2^86787208 is an apocalyptic number.

It is an amenable number.

86787208 is a deficient number, since it is larger than the sum of its proper divisors (76543352).

86787208 is a wasteful number, since it uses less digits than its factorization.

86787208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40308 (or 40304 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 86787208 is about 9315.9652210600. The cubic root of 86787208 is about 442.7432061285.

The spelling of 86787208 in words is "eighty-six million, seven hundred eighty-seven thousand, two hundred eight".