7828849811 has 2 divisors, whose sum is σ = 7828849812. Its totient is φ = 7828849810.

The previous prime is 7828849751. The next prime is 7828849867. The reversal of 7828849811 is 1189488287.

It is an a-pointer prime, because the next prime (7828849867) can be obtained adding 7828849811 to its sum of digits (56).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7828849811 is a prime.

It is a super-2 number, since 2×7828849811² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7828849891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3914424905 + 3914424906.

It is an arithmetic number, because the mean of its divisors is an integer number (3914424906).

Almost surely, 2^7828849811 is an apocalyptic number.

7828849811 is a deficient number, since it is larger than the sum of its proper divisors (1).

7828849811 is an equidigital number, since it uses as much as digits as its factorization.

7828849811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 56.

The square root of 7828849811 is about 88480.7878072975. The cubic root of 7828849811 is about 1985.6345481925.

The spelling of 7828849811 in words is "seven billion, eight hundred twenty-eight million, eight hundred forty-nine thousand, eight hundred eleven".