7666836379 has 2 divisors, whose sum is σ = 7666836380. Its totient is φ = 7666836378.

The previous prime is 7666836337. The next prime is 7666836383. The reversal of 7666836379 is 9736386667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7666836379 - 2⁷ = 7666836251 is a prime.

It is not a weakly prime, because it can be changed into another prime (7666836979) 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, 3833418189 + 3833418190.

It is an arithmetic number, because the mean of its divisors is an integer number (3833418190).

Almost surely, 2^7666836379 is an apocalyptic number.

7666836379 is a deficient number, since it is larger than the sum of its proper divisors (1).

7666836379 is an equidigital number, since it uses as much as digits as its factorization.

7666836379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41150592, while the sum is 61.

The square root of 7666836379 is about 87560.4726974449. The cubic root of 7666836379 is about 1971.8417828393.

The spelling of 7666836379 in words is "seven billion, six hundred sixty-six million, eight hundred thirty-six thousand, three hundred seventy-nine".