6878500321 has 16 divisors (see below), whose sum is σ = 8579783808. Its totient is φ = 5357376000.

The previous prime is 6878500319. The next prime is 6878500333. The reversal of 6878500321 is 1230058786.

It is a cyclic number.

It is not a de Polignac number, because 6878500321 - 2¹ = 6878500319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6878500301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155371 + ... + 194671.

It is an arithmetic number, because the mean of its divisors is an integer number (536236488).

Almost surely, 2^6878500321 is an apocalyptic number.

It is an amenable number.

6878500321 is a deficient number, since it is larger than the sum of its proper divisors (1701283487).

6878500321 is a wasteful number, since it uses less digits than its factorization.

6878500321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41592.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 6878500321 is about 82936.7248027073. The cubic root of 6878500321 is about 1901.7988799773.

The spelling of 6878500321 in words is "six billion, eight hundred seventy-eight million, five hundred thousand, three hundred twenty-one".