86806867 has 4 divisors (see below), whose sum is σ = 99207856. Its totient is φ = 74405880.

The previous prime is 86806861. The next prime is 86806883. The reversal of 86806867 is 76860868.

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 86806867 - 2²³ = 78418259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86806867.

It is not an unprimeable number, because it can be changed into a prime (86806861) 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, 6200484 + ... + 6200497.

It is an arithmetic number, because the mean of its divisors is an integer number (24801964).

Almost surely, 2^86806867 is an apocalyptic number.

86806867 is a deficient number, since it is larger than the sum of its proper divisors (12400989).

86806867 is a wasteful number, since it uses less digits than its factorization.

86806867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400988.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 86806867 is about 9317.0202854775. The cubic root of 86806867 is about 442.7766336031.

The spelling of 86806867 in words is "eighty-six million, eight hundred six thousand, eight hundred sixty-seven".