6866000087 has 4 divisors (see below), whose sum is σ = 6900502800. Its totient is φ = 6831497376.

The previous prime is 6866000077. The next prime is 6866000101. The reversal of 6866000087 is 7800006686.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6866000087 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 (6866000077) 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, 17251058 + ... + 17251455.

It is an arithmetic number, because the mean of its divisors is an integer number (1725125700).

Almost surely, 2^6866000087 is an apocalyptic number.

6866000087 is a deficient number, since it is larger than the sum of its proper divisors (34502713).

6866000087 is a wasteful number, since it uses less digits than its factorization.

6866000087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34502712.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 6866000087 is about 82861.3304684399. The cubic root of 6866000087 is about 1900.6461409964.

The spelling of 6866000087 in words is "six billion, eight hundred sixty-six million, eighty-seven", and thus it is an aban number.