6879474321 has 4 divisors (see below), whose sum is σ = 9172632432. Its totient is φ = 4586316212.

The previous prime is 6879474293. The next prime is 6879474323. The reversal of 6879474321 is 1234749786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6879474321 - 2⁵ = 6879474289 is a prime.

It is a super-2 number, since 2×6879474321² = 94654333866596822082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6879474323) 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, 1146579051 + ... + 1146579056.

It is an arithmetic number, because the mean of its divisors is an integer number (2293158108).

Almost surely, 2^6879474321 is an apocalyptic number.

It is an amenable number.

6879474321 is a deficient number, since it is larger than the sum of its proper divisors (2293158111).

6879474321 is a wasteful number, since it uses less digits than its factorization.

6879474321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293158110.

The product of its digits is 2032128, while the sum is 51.

The square root of 6879474321 is about 82942.5965412224. The cubic root of 6879474321 is about 1901.8886410492. Note that the first 3 decimals are identical.

The spelling of 6879474321 in words is "six billion, eight hundred seventy-nine million, four hundred seventy-four thousand, three hundred twenty-one".