6978792271 has 8 divisors (see below), whose sum is σ = 7641324288. Its totient is φ = 6320943000.

The previous prime is 6978792251. The next prime is 6978792307. The reversal of 6978792271 is 1722978796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6978792271 - 2⁵ = 6978792239 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 (6978792211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167565 + ... + 1173526.

It is an arithmetic number, because the mean of its divisors is an integer number (955165536).

Almost surely, 2^6978792271 is an apocalyptic number.

6978792271 is a deficient number, since it is larger than the sum of its proper divisors (662532017).

6978792271 is a wasteful number, since it uses less digits than its factorization.

6978792271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341373.

The product of its digits is 5334336, while the sum is 58.

The square root of 6978792271 is about 83539.1660899246. The cubic root of 6978792271 is about 1910.9973748940.

The spelling of 6978792271 in words is "six billion, nine hundred seventy-eight million, seven hundred ninety-two thousand, two hundred seventy-one".