6799478961 has 24 divisors (see below), whose sum is σ = 10286547712. Its totient is φ = 3987957600.

The previous prime is 6799478957. The next prime is 6799478993. The reversal of 6799478961 is 1698749976.

It is not a de Polignac number, because 6799478961 - 2² = 6799478957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6799478892 and 6799478901.

It is not an unprimeable number, because it can be changed into a prime (6799470961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290866 + ... + 313371.

Almost surely, 2^6799478961 is an apocalyptic number.

It is an amenable number.

6799478961 is a deficient number, since it is larger than the sum of its proper divisors (3487068751).

6799478961 is a wasteful number, since it uses less digits than its factorization.

6799478961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604293 (or 604282 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 66.

The square root of 6799478961 is about 82458.9531888442. The cubic root of 6799478961 is about 1894.4880845383.

The spelling of 6799478961 in words is "six billion, seven hundred ninety-nine million, four hundred seventy-eight thousand, nine hundred sixty-one".