6804857279 has 32 divisors (see below), whose sum is σ = 7860291840. Its totient is φ = 5833900800.

The previous prime is 6804857261. The next prime is 6804857281. The reversal of 6804857279 is 9727584086.

It is a cyclic number.

It is not a de Polignac number, because 6804857279 - 2⁸ = 6804857023 is a prime.

It is a super-4 number, since 4×6804857279⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804857209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2490344 + ... + 2493074.

It is an arithmetic number, because the mean of its divisors is an integer number (245634120).

Almost surely, 2^6804857279 is an apocalyptic number.

6804857279 is a deficient number, since it is larger than the sum of its proper divisors (1055434561).

6804857279 is a wasteful number, since it uses less digits than its factorization.

6804857279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The square root of 6804857279 is about 82491.5588348287. The cubic root of 6804857279 is about 1894.9874597648.

The spelling of 6804857279 in words is "six billion, eight hundred four million, eight hundred fifty-seven thousand, two hundred seventy-nine".