6841672477 has 2 divisors, whose sum is σ = 6841672478. Its totient is φ = 6841672476.

The previous prime is 6841672463. The next prime is 6841672507. The reversal of 6841672477 is 7742761486.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6840282436 + 1390041 = 82706^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 6841672477 - 2²³ = 6833283869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6841672447) 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 as a sum of consecutive naturals, namely, 3420836238 + 3420836239.

It is an arithmetic number, because the mean of its divisors is an integer number (3420836239).

Almost surely, 2^6841672477 is an apocalyptic number.

It is an amenable number.

6841672477 is a deficient number, since it is larger than the sum of its proper divisors (1).

6841672477 is an equidigital number, since it uses as much as digits as its factorization.

6841672477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 52.

The square root of 6841672477 is about 82714.4030807211. The cubic root of 6841672477 is about 1898.3986948560.

The spelling of 6841672477 in words is "six billion, eight hundred forty-one million, six hundred seventy-two thousand, four hundred seventy-seven".