86866667 has 4 divisors (see below), whose sum is σ = 86897496. Its totient is φ = 86835840.

The previous prime is 86866657. The next prime is 86866673. The reversal of 86866667 is 76666868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86866667 - 2⁸ = 86866411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86866627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10709 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (21724374).

Almost surely, 2^86866667 is an apocalyptic number.

86866667 is a deficient number, since it is larger than the sum of its proper divisors (30829).

86866667 is a wasteful number, since it uses less digits than its factorization.

86866667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30828.

The product of its digits is 3483648, while the sum is 53.

The square root of 86866667 is about 9320.2289134978. The cubic root of 86866667 is about 442.8782844126.

The spelling of 86866667 in words is "eighty-six million, eight hundred sixty-six thousand, six hundred sixty-seven".