86630009 has 4 divisors (see below), whose sum is σ = 86650704. Its totient is φ = 86609316.

The previous prime is 86630003. The next prime is 86630017. The reversal of 86630009 is 90003668.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86630009 - 2¹⁶ = 86564473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86630003) 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, 1607 + ... + 13260.

It is an arithmetic number, because the mean of its divisors is an integer number (21662676).

Almost surely, 2^86630009 is an apocalyptic number.

It is an amenable number.

86630009 is a deficient number, since it is larger than the sum of its proper divisors (20695).

86630009 is a wasteful number, since it uses less digits than its factorization.

86630009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20694.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 86630009 is about 9307.5243217517. The cubic root of 86630009 is about 442.4757287165.

The spelling of 86630009 in words is "eighty-six million, six hundred thirty thousand, nine".