86012909 has 8 divisors (see below), whose sum is σ = 87797760. Its totient is φ = 84245616.

The previous prime is 86012903. The next prime is 86012917. The reversal of 86012909 is 90921068.

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

It is a cyclic number.

It is not a de Polignac number, because 86012909 - 2⁸ = 86012653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86012903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5747 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (10974720).

Almost surely, 2^86012909 is an apocalyptic number.

It is an amenable number.

86012909 is a deficient number, since it is larger than the sum of its proper divisors (1784851).

86012909 is a wasteful number, since it uses less digits than its factorization.

86012909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8779.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 86012909 is about 9274.3144760138. The cubic root of 86012909 is about 441.4225805618.

The spelling of 86012909 in words is "eighty-six million, twelve thousand, nine hundred nine".