86652609 has 16 divisors (see below), whose sum is σ = 119784000. Its totient is φ = 55653696.

The previous prime is 86652607. The next prime is 86652613. The reversal of 86652609 is 90625668.

It is not a de Polignac number, because 86652609 - 2¹ = 86652607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86652607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55167 + ... + 56715.

It is an arithmetic number, because the mean of its divisors is an integer number (7486500).

Almost surely, 2^86652609 is an apocalyptic number.

It is an amenable number.

86652609 is a deficient number, since it is larger than the sum of its proper divisors (33131391).

86652609 is a wasteful number, since it uses less digits than its factorization.

86652609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 86652609 is about 9308.7383140789. The cubic root of 86652609 is about 442.5142029978.

The spelling of 86652609 in words is "eighty-six million, six hundred fifty-two thousand, six hundred nine".