6887794013 has 2 divisors, whose sum is σ = 6887794014. Its totient is φ = 6887794012.

The previous prime is 6887794009. The next prime is 6887794027. The reversal of 6887794013 is 3104977886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6289600249 + 598193764 = 79307^2 + 24458^2 .

It is a cyclic number.

It is not a de Polignac number, because 6887794013 - 2² = 6887794009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6887794033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443897006 + 3443897007.

It is an arithmetic number, because the mean of its divisors is an integer number (3443897007).

Almost surely, 2^6887794013 is an apocalyptic number.

It is an amenable number.

6887794013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6887794013 is an equidigital number, since it uses as much as digits as its factorization.

6887794013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 6887794013 is about 82992.7347000929. The cubic root of 6887794013 is about 1902.6550151784.

The spelling of 6887794013 in words is "six billion, eight hundred eighty-seven million, seven hundred ninety-four thousand, thirteen".