86694889 has 8 divisors (see below), whose sum is σ = 90567360. Its totient is φ = 82831056.

The previous prime is 86694887. The next prime is 86694893. The reversal of 86694889 is 98849668.

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 86694889 - 2¹ = 86694887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86694887) 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, 26734 + ... + 29800.

It is an arithmetic number, because the mean of its divisors is an integer number (11320920).

Almost surely, 2^86694889 is an apocalyptic number.

It is an amenable number.

86694889 is a deficient number, since it is larger than the sum of its proper divisors (3872471).

86694889 is a wasteful number, since it uses less digits than its factorization.

86694889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319.

The product of its digits is 5971968, while the sum is 58.

The square root of 86694889 is about 9311.0090215830. The cubic root of 86694889 is about 442.5861625868.

The spelling of 86694889 in words is "eighty-six million, six hundred ninety-four thousand, eight hundred eighty-nine".