6797879901 has 12 divisors (see below), whose sum is σ = 9855665820. Its totient is φ = 4515071040.

The previous prime is 6797879899. The next prime is 6797879923. The reversal of 6797879901 is 1099787976.

It can be written as a sum of positive squares in 2 ways, for example, as 1414136025 + 5383743876 = 37605^2 + 73374^2 .

It is not a de Polignac number, because 6797879901 - 2¹ = 6797879899 is a prime.

It is a super-2 number, since 2×6797879901² = 92422342296839539602, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6797879941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1401520 + ... + 1406361.

It is an arithmetic number, because the mean of its divisors is an integer number (821305485).

Almost surely, 2^6797879901 is an apocalyptic number.

It is an amenable number.

6797879901 is a deficient number, since it is larger than the sum of its proper divisors (3057785919).

6797879901 is a wasteful number, since it uses less digits than its factorization.

6797879901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808156 (or 2808153 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 63.

The square root of 6797879901 is about 82449.2565218147. The cubic root of 6797879901 is about 1894.3395615096.

The spelling of 6797879901 in words is "six billion, seven hundred ninety-seven million, eight hundred seventy-nine thousand, nine hundred one".