87068867 has 4 divisors (see below), whose sum is σ = 87124656. Its totient is φ = 87013080.

The previous prime is 87068857. The next prime is 87068879. The reversal of 87068867 is 76886078.

It is a happy number.

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 87068867 - 2⁶ = 87068803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87068827) 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, 25484 + ... + 28697.

It is an arithmetic number, because the mean of its divisors is an integer number (21781164).

Almost surely, 2^87068867 is an apocalyptic number.

87068867 is a deficient number, since it is larger than the sum of its proper divisors (55789).

87068867 is a wasteful number, since it uses less digits than its factorization.

87068867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55788.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 87068867 is about 9331.0699815187. The cubic root of 87068867 is about 443.2216481750.

The spelling of 87068867 in words is "eighty-seven million, sixty-eight thousand, eight hundred sixty-seven".