6866870900 has 18 divisors (see below), whose sum is σ = 14901110070. Its totient is φ = 2746748320.

The previous prime is 6866870893. The next prime is 6866870909. The reversal of 6866870900 is 90786686.

It can be written as a sum of positive squares in 3 ways, for example, as 467510884 + 6399360016 = 21622^2 + 79996^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866870909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34334255 + ... + 34334454.

Almost surely, 2^6866870900 is an apocalyptic number.

It is an amenable number.

6866870900 is an abundant number, since it is smaller than the sum of its proper divisors (8034239170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6866870900 is a wasteful number, since it uses less digits than its factorization.

6866870900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68668723 (or 68668716 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 6866870900 is about 82866.5849423035. The cubic root of 6866870900 is about 1900.7264904176.

The spelling of 6866870900 in words is "six billion, eight hundred sixty-six million, eight hundred seventy thousand, nine hundred".